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91 chevy 1500 surging idle?
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91 chevy 1500 surging idle?
136 posts · Joined 2010 Hey, thanks for sharing! If S1 diagnosis for Rough, Unstable, or Incorrect Idle have been completed and are inconclusive, this should be considered an idle characteristic of the vehicle and no repairs should be attempted. Chevy Forums FREE technical assistance for your restoration and repair. Another Update, It looks like internet and my repair book is wrong on the subject of MAP sensor voltage. The 2015 Chevy Silverado 1500 is powered by a. While cold with the idle still on the high side it seems smooth and normal. Gave the P0014 and P0013 errors and recommened replacing the Exhaust VVT Solenoid and the sensor for the Exhaust Camshaft Bank 1. Swapped throttle position sensor, iac, fuel filter, cleaned throttle body, replced plugs, checked fuel pressur … read more There have been several posts on this topic but I'm going to throw mine out and see if anyone has some thoughts040 over comp XE cam, duration @230 / valve lift 491, lobe lift 327, range 1800-6000. Feb 19, 2022 · The part used in this video is a GP Sorensen Fuel Pressure Regulator 88-225 with a 3-year warranty from Autozone. Problem vehicle, 1999 Chevrolet Silverado 1500 5. If the valve fails or has any issues it can cause the idle speed to be thrown off. If the IAC is working properly, the idle will come down on it's own after several minutes of high idle. $24,194 Per capita income. The Chevrolet Colorado is a good candidate for speaker repla. yet i still have an extream high idle problem, any sujestions. 11 posts · Joined 2011 Looking for some help to resolve an issue I'm having with my 2003 Chevy 1500 Z-71 with 5. It can indicate a spark plug problem in which a cylinder misfires only while idle 1995-2005 Chevrolet Cavalier. 3 - '17 Journey Unknown member Discussion starter Just finished a 350 TBI / 700R4 / 3. They will also happen during light acceleration when the overdrive is active around 2k RPM when cruising about 50 MPH. What an Engine Needs to Idle Smoothly. (I put in a new set of spark plugs 9 months ago as routine maintenance. Turn no more than 1/4 turn at a time. would backfire and smelled rich wires, plugs, distributor cap/rotor, tps, ignition module, map, IAC, engine coolant. My father in law's '91 Chevy was running poorly, so we put new plugs, wires, cap and rotor on it, and it's running better, but it it still surging at idle. It will correct itself after about 5 seconds, can usually correct it a little quicker by revving. I'm running out of my own ideas. It will correct itself after about 5 seconds, can usually correct it a little quicker by revving. Replaced the gaskets and all is well. 1999 Chevy express 1500 surging idle Question Just bought a Chevy express 1500 that would not start. These are attached to the bottom of the air cleaner. I can be at a stop light and the RPM will drop to about 500 RPM and. Try running 2-stroke oil in your next batch of fuel to see if that clears. I thought crap i must have a vacume leak but i cant find any anywhere. I have checked and cleaned all of the grounds, reset the timing, check fuel pressure, checked. Any thoughts? Thanks. I must be missing something here, but I am about out of ideas. Within the last month, I started noticing every light on the truck will start pulsing/flickering. surging idle, has to be something simple The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board 1991 CHEVROLET SILVERADO7L Ive got a 91 silverado 350 with some idle problems. Unplug the MAP it runs good on TPS control Also run fine until warm. started bucking, rpms rapidly going up and If I try to push on gas it eventually. The automaker has reached a deal that will have LG pay nearly all. when I put it in gear it bogs down and will sometimes stall then the idle comes up a little bit and. temp sensor, rebuilt fuel pressure regulator. Then it idles at very low rpm and sputters (best way i can describe it is it sounds like it has a cam but doesnt like its always at the point of stalling). it is idling up and down and it has no power. 1L has started surging while idling every now and then. Here are some things to check: 1) Make sure there are no vacuum leaks. I am having an idling problem on my 97 K1500 Suburban that I can't figure out7. If the timing is not changing, except for centrifugal at higher RPM's I would suspect the ignition module. 3 engine is around 600-700 RPM. Any thoughts? Thanks. 1991 Chevy Silverado V8 Four Wheel Drive Automatic. Run engine up to temp and turn off. The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices If you’re using surge protectors in your home, you might want to consider replacing them, especially if you can’t remember when you bought the ones currently in use Some folks need ideas on ways to relax or their brain and hands would never idle. -changed fuel filter. It cranks for a while and spits and sputters then usually dies, if not it runs rough with surging idle. Starts and drives just fine, no surge on idle or under load sitting at a light. I am having an idling problem on my 97 K1500 Suburban that I can't figure out7. 36 posts · Joined 2013 Persistent Loping Idle, surging acceleration on my '90 Sierra C2500, 5 Friends, I am desperate, I tried everything I know and more but I cannot find a solution to my Loping idle and surging acceleration. In this case, it will detonate, then be fine. 7 Tbi When At Idle It Has A Low To The Idle. 7L 350 TBI with 109k miles on it. One day driving down highway about 55MPH suddenly stalled out no. 5" Rough Country Suspension Lift W/ Wild Country 31x10. It surges (like its starving for fuel) and recently started dieing. I changed out the old rusty IAC valve motor and cars running good. When I turn the engine off and cycle the ignition and start it, it will start like normal, rev up a bit and settle into a high idle. Advertisement If more voltage is introduced than an elec. The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board: 91 sluggish with mild surge at low rpm????? 2015 1. It cranks for a while and spits and sputters then usually dies, if not it runs rough with surging idle. A bad spark plug may cause your engine to sound rough while idling. Any ideas? What RPM should a 5. May 13, 2015 20LTZ13 said: ok so for awhile now my sonic surges when the a/c is on when the vehicle is idling. Idles fine until warm. 1991 Chevrolet Silverado C1500 Extended Cab w/5. Average repair cost is $4,120 at 22,850 miles. Then start the engine and set the idle speed. This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 (1996 and newer) or a OBD1 (1995 and older) fault code as well as the cleaning procedure. 3L V8 stalls and won't hold idle. The combined hesitation and surging could indicate a spark plug problem Rough Idle. Car idled great until I had to replace the lower radiator hose. 3 and about 182k miles. For 2 years i have been battling a high idle issue off and on. It vibrates more than any truck or car I've ever owned, and at times stutters like it's misfiring. So, the truck is a 92 k1500, has 20,000 miles on the new GM crate 350, new throttle body, … 1990 C1500 TBI 5. 1991 Chevrolet Silverado C1500 Extended Cab w/5. Rpm idle normal chevy silverado oil pressure 1500 chevrolet shouldHow many rpm's at 70 mph is normal Rpm normal88-91 chevy pickup speedometer gauge 85 mph silverado sierra truck 1500. When these sensors go bad they can omit false information causing the computer to make incorrect adjustments which produce an engine surge. 7 tbi dies when put in gear. cuckold feet Figured this could be very useful if someone else has this problem. Sometimes after 10 or 20 seconds the idle will stabilize. 1991 Chevrolet Silverado C1500 Extended Cab w/5. the idle is going from 1300 to 1500. Typically 2 problems. Oct 13, 2012 · 1 Answer. Car idled great until I had to replace the lower radiator hose. I have a 1988 camaro 305 std, idles between 500 and 1500 rpm, runs rough, no power, seems to be burning rich, fuel pressure 18-22psi. 5568 posts · Joined 2004 So I'm getting a light "surging" with my engine. Aug 4, 2019 · The list of things I have done to try and fix this problem is: Replace MAF sensor. Replaced intake snorkel that attaches to throttle body to air box (4 times) Jun 23, 2010 · Once it is warm, the idle starts going up and down and in traffic sometimes the car wants to move forward. It's only about a 200 RPM surge (according to the tach anyways) but its noticeable and consistent. That said, I love this truck, and despite not running right, it. During a cold start it idles really rough for a second. Also check the electrical connector in the tank to the pump. I have spent countless hours going over the engine looking for vacuum leaks and believe every thing is OK on that front. old pennies worth money The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices If you’re using surge protectors in your home, you might want to consider replacing them, especially if you can’t remember when you bought the ones currently in use Some folks need ideas on ways to relax or their brain and hands would never idle. This was following where I noticed the cruise control seemed to be doing light bucking on some slight downhill stretches. 89 2. Sometimes it will idle smooth, sometimes it drops to 6-700rpm then dies, if it runs smooth and I put it into gear, it dies immediately. I'm trying to chase down what's causing my truck to flood without changing out all the sensors under the hood if possible. If allowed to idle - Answered by a verified Chevy Mechanic. engine should be around 400 V. Question type: Maintenance & Repair the idle goes from about 800 up to 1200 after the engine warms up. 3 engine is around 600-700 RPM. The sensor voltage with key on. How to adjust idle on a 5. (I put in a new set of spark plugs 9 months ago as routine maintenance. 136 posts · Joined 2010 Hey, thanks for sharing! If S1 diagnosis for Rough, Unstable, or Incorrect Idle have been completed and are inconclusive, this should be considered an idle characteristic of the vehicle and no repairs should be attempted. The labor costs will be anywhere between $150 and $300, depending on the hourly rate of the mechanics and the amount of work it takes to access the throttle position sensor. Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. clever login broward This will be a long post as I'm going to try and describe this issue and the things we've already attempted. My idle is surging at startup but it seems to go low rpms more often then high. I replace the all the spark plugs and it still won't start. The north fork rises in the southern part of Stafford County and flows northeastwardly to Plevna in … 2020 FORD F150 SUPERCREW CAB. It is a 91 chevy truck with the 350 (5 The truck has 190K miles on it and runs fine other than a misfire. When idling it will surge up to about 1500 rpm then drop back down to normal. HIGH IDLE ADVICE. One of the most common issues to plague generator owners is the dreaded "surge" or "revving up and down" of the engine. I have my 1991 chevy truck that I let sit for about a week without starting and when I went to start it, it would not turn over. Symptoms of a bad throttle position sensor Your check engine light is on. Air - The air entering your truck's engine must be metered by the. Measure the vacuum level in the intake system with a. Usuallly it fires right up and idles very nicely. 1) Start the engine and let it idle in park for 3 minutes. Never would it be a good idea to idle a 11-1 engine at the 500-550 rpm range. ) Code 45 is set when the O2 sensor signal voltage remains above. Storm surges are often the deadliest part of a hurricane, concealing large objects in the flood and propelling them along like battering rams. 0l, 2009 Chevrolet Tahoe 2wd 5. When it is started cold, the idle surges from between 500-1500 until it is warmed up or you are driving down the road. Gave the P0014 and P0013 errors and recommened replacing the Exhaust VVT Solenoid and the sensor for the Exhaust Camshaft Bank 1. I am having a strange issue with my 1994 Chevy Silverado. HI, I recently installed a rebuilt 350 into my c1500 and the truck runs but it's exhaust reeks of gas and is smokey. I have a 1991 Chevy S10 with the 4 When the problem first began, it felt like just bad gas.
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so I went ahead drained the anti-freeze replaced the lower radiator hose, the 2 transmission cooling line hoses, and installed a thermostat (which the. 48 Answers. Anyone else have this problem and or what should I be looking at for a cause. I pulled over and it was surging even at idle, my dreaded check engine light was on. Give it a shot, just make sure you get the right EGR. 7 2wd, and was hoping somebody had some guidance here. Jump to Latest 5K views. After the install of the 350 it would idle eratic and usually stall at stop signs. When it starts to flow clean, clear carb cleaner (Not dirty liquid) replace this piece and plug it in. Fuel injectors are responsible for delivering fuel to the engine, and a dirty fuel injector can cause problems such as a rough idle. So my daughter's '91 S10 Blazer with the 4. "#PIP4828:Rough Idle and/or Lack of Power on Acceleration After Cold Start. I have done all I can think of to this point and need some others opinions. Chevy Silverado rough idle when cold due to exhaust system leakage, malfunctioning spark plugs, sensors failure, and broken ignition coils. 7, roughly 140,000 miles, a while back it started idling rough on start up, and then would die, then with some cranking it would refire, but you could smell a ton of gas, after that it would idle fine, but after putting it in gear and giving it gas it. Turn no more than 1/4 turn at a time. These are attached to the bottom of the air cleaner. I have sprayed carb cleaner all around the intake, throttle. Nov 8, 2009 · Recently bought a used 92 Sub with 5 It's my first GMC ever. Got the truck home and tried to start it again had to crack the gas pedal to get it to run if i don't it dose nt start. I just replaced the Idle Air Control valve because i was told that could be it. tps sencor or maf sencor. Replacing speakers in a vehicle is one of the simplest and most cost-effective ways of improving the sound in your car. Then the rpms drop almost to the point of stalling and then it recovers to the normal idle. The engine is a 350 tbi with 700r4 transmission. kern health systems This was following where I noticed the cruise control seemed to be doing light bucking on some slight downhill stretches. 89 2. Again, this can vary depending on the specific model and other factors. Theres about a thousand and one different things that could cause this. Models: 2009-2011 Chevrolet Express, Silverado, Suburban 2009-2011 GMC Savana, Bucking and Surging During Idle Jump to Latest Follow 18K views 19 replies 9 participants last post by Jonjon Dec 2, 2023 Z ZRJO Discussion starter 48 posts · Joined 2016 #1 · Aug 4, 2019 I had a high idle at park and my car would stumble and stall when stopped in drive at a stop light. Sometimes stalls once stopped. mpoage63 June 2, 2017, 4:33pm 1. I have a 91 chev 4x4 truck that had a 305 engine in it. 3L CPI, Auto) had a surging (jolting,dunno). when I put it in gear it bogs down and will sometimes stall then the idle comes up a little bit and. A couple of days ago the engine light came on, went to Autozone and did the test to see what is going on. Jun 2, 2008 · My father in law's '91 Chevy was running poorly, so we put new plugs, wires, cap and rotor on it, and it's running better, but it it still surging at idle. A bad brake switch can do this. 24 posts · Joined 2011 I have a 1992 Chevrolet K2500 350 tbi that idles high about 1200 to 1500 rpm sometime's will idle about 800 rpm. mathpower grade 8 pdf answers I'm trying to chase down what's causing my truck to flood without changing out all the sensors under the hood if possible. Location: Main Index » Forum Index » Trucks-Vans-SUV » 88-98 Fullsize Trucks, Vans, Suburbans, Blazers, Tahoes » 94 Chevy 1500 fluctuating idle FusionBB™ Version 2. There are many problems that can result in a Chevy Silverado's failure to start, making d. -new gaskets for TBI-checked distributor bushing play, good. 7K subscribers Subscribed 1. Figured this could be very useful if someone else has this problem. 24 posts · Joined 2007 If any body could please help I would appreciate any input you might have. while cruising on the interstate I'll be pulling about 1500 RPM and no problem. When i first start the truck it slowly rises from 1000 to 1500 rpm then comes down after five minutes to 1000 rpm then when i drive it for a few minutes then it starts idling at 1100 rpm. It got so bad that it would cut out at traffic lights. 91 chevy k1500. Fuel - The ideal air-to-fuel ratio is 14. 7L 350 TBI Surging/Sputtering/Missing. Also a big problem with these trucks is carbon build up in the Throttle Body so removing that and using a good throttle body cleaner may solve the issue. The average Chevy Silverado 1500. I have also had the injectors replaced by factory at. single cab diesel for sale The problem-the idle is HORRIBLE! The truck idles right around 500rpm and every 10-15 seconds (sometimes more often sometimes not) the engine. The engine's computer has built-in logic that monitors the TPS feedback to make sure it matches up with information sent by other engine sensors. The CEL came on and threw a P1101 & P0106. The 2018 GMC Sierra 1500 has 4 problems reported for hesitation, surging. drop to 480 RPM and then up to 800 RPM Today on the way to work same thing at stop lights except this time the Engine Check light came on. If the engine doesn't have enough air, the air-to-fuel mixture ratio is off, and some fuel might be left after the spark. The rpms are low since the truck is in its 5th or 6th gear, typically around 1000-1500rpm. When one or more of these variables is off, it can lead to a rough idling condition. Once it's in gear, the high idle continues. So I'm needing help here9 is cold or warm, sitting in park or in drive at a stop or light, the idle will surge up and down. I have a 91 Silverado K1500 4x4, 5. Had at two different dealerships, and no one after every possible other check could not fix or find the problem. 2008 Chevrolet Silverado 3500 LT crew cab 22.
3 AFM Silverado w/66,000miles has been RPM surging while driving over the past couple weeks. Asked by Chris May 28, 2010 at 10:10 PM about the 1993 Chevrolet Cavalier. drop to 480 RPM and then up to 800 RPM Today on the way to work same thing at stop lights except this time the Engine Check light came on. The weight of a Chevy Silverado varies based on the model, cab type, bed size and engine type. The 2015 Chevy Silverado 1500 Texas Edition package is available on all LT and LTZ models and adds 20-inch wheels, a locking rear differential, a trailering package and Texas Editi. Gan. water foam unreal engine The parts will cost you between $50 and $100 on average. The surge and light flicker during idle is about a 1. -changed fuel filter. Try running 2-stroke oil in your next batch of fuel to see if that clears. iac valve and still have no lu. I would assume if the exhaust manifold was leaking causing the o2 sensors to read the engine is lean and then more fuel is added, I would have more of a high idle surge as opposed to a low idle surge. Hello everybody. 0l, 2009 Chevrolet Tahoe 2wd 5. sniffies.com map Your car engine should idle smoothly without surging up and down or stalling. Give it a shot, just make sure you get the right EGR. I'm struggling with a surging motor. Use throttle body cleaner as well not carb cleaner. Ive Got A 91 Silverado 350 With Some Idle Problems. It could best be described as spark being cut to all cylinders for less than half a second causing it to jerk violently and then continue going like nothing happened. hundetrick do as i do mach nach 3) Confirm that the mass air flow (MAF) is clean and not obstructed. 3 posts · Joined 2020 Hello, I have a 2008 Silverado that intermittently has starting issues. Also check the electrical connector in the tank to the pump. Driving in gears 1-3 are bearable but in 4 and 5 there is little power and the truck surges, stumbles, and shakes awful. During a cold start it idles really rough for a second.
At idle, the engine RPM doesn't stay still, it goes up and down probably 300 RPM or so. They will also happen during light acceleration when the overdrive is active around 2k RPM when cruising about 50 MPH. I pulled over and it was surging even at idle, my dreaded check engine light was on. Model specific subject matter experts, classified ads and more. I recently bought a 2002 GMC sierra with the 6. Idle surge or idle hunting and high idle. 3L V8 2WD with 351,000mi. 0 is running lean, the exhaust gas will have more oxygen so the O2 sensor will generate less voltage. Not really drastic, but noticeable and it mostly clears up as the engine reaches normal operating temperature 92 Chevy Astro Cargo Shorty | V8-350 If I remember correctly, when you hook the by-pass wire back up and recheck timing, it should be sitting on about 10 degrees advance. Dirt, grime, and other contaminants can build up in the fuel system over time, leading to clogged or blocked fuel injectors. I have sprayed carb cleaner all around the intake, throttle. I have a 1991 Chevy S10 with the 4 When the problem first began, it felt like just bad gas. I have a 91 chev 4x4 truck that had a 305 engine in it. I have a 2015 cruze, Manual transmission, 4500 KM's, trifecta tuned, K & N filter. It would cool and drop back into open-loop at idle, making for a rich rough running idle. It will start normally and idle fine (with a barely noticeable misfire). treeves35 Discussion starter. Problem is when the truck is cold my idle surges anywhere from 500-1300rpm. When one or more of these variables is off, it can lead to a rough idling condition. Problem is when the truck is cold my idle surges anywhere from 500-1300rpm. used jeep wrangler jk I recently let the gas get extremely low and completely spaced it off I had somewhat the same issue with a 2003 1500 1994 S10 P/U 4x4 4. Had at two different dealerships, and no one after every possible other check could not fix or find the problem. The idle surge is pretty minor (((ATTACHED))) bouncing from 840-1000 but no higher, no lower. 91 gmc idles rough and engine surges when driving new engine mostly new sensors and vacuum lines. They can leak and cause the EGR valve to stay partially on all the time. As a member-owned, full … As of 2015, the towing capacity of a Chevrolet Silverado 1500 is rated up to 12,000 pounds, depending on the model and configuration of the truck. Bought it used about 6 months ago. Jump to Latest Follow 41 - 60 of 64 Posts. I have a 2005 Silverado with the 5. Find my thread on surging Verify all grounds are clean and tight. 1L has started surging while idling every now and then. Most Chevy's have a spark plug replacement interval of 60,000 to 80,000 miles. Gainers Digital World Acquisition Corp. treeves35 Discussion starter. Both of those would throw codes, especially O2 sensors. 3. Thats about all the info I got that I may be useful3L 2WD 5Spd. 3l with a 5 speed - Newest project I picked up to fix up for my son (hopefully with some help from him on the bodywork My 91 was just doing the exact same. volvo c303 for sale craigslist , and vacuum should be in the near 50* area. This mainly occurs when the vehicle is cold or during the first start of the day. Jan 6, 2015 · 95 posts · Joined 2014 First, I'd pull codes and see if it has anything, even if the Check Engine Light isn't on. Ask Your Own Chevy Question. 36 posts · Joined 2013 Persistent Loping Idle, surging acceleration on my '90 Sierra C2500, 5 Friends, I am desperate, I tried everything I know and more but I cannot find a solution to my Loping idle and surging acceleration. I'm running out of my own ideas. The rpm jumping or surging is your fuel pressure regulator If you had EFILive you can go in the scan tool software and go to DVT controls, select desired and actual fuel rail pressure pids, and you can manually ramp up the fuel rail pressure at idle. IF I run the ac and headlights it drops to about 12 volts. As the sensors age, the voltage range drops, and the voltage change lags the changes happening in the exhaust gas/oxygen. Start the engine, then increase and hold the idle speed to 1,000 to 1,500 (RPM). I have a 1991 Buick Park Avenue Here are the common cause of surges, cold stalls, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk. P0106 is a diagnostic trouble code (DTC) for "Manifold Air Pressure (MAP) Barometric Pressure Sensor Electric Circuit Output Range and Performance Problem". Hi I have a 94 GMC Silverado with a 5 I was driving it last week and when I went up a hill I lost power. I have it back up and running, but it runs rough, stalls often, and hesitates under acceleration. First chev I've ever owned, recently converted from dodges. Anyone else have this problem and or what should I be looking at for a cause. Took it to the autoplace next door after I bought the parts and he installed them. Carb cleaner actually removes some of the plating on the TB.