1991 chevy silverado idle problems

. . It usually happens after backing out of parking areas when vehical returns to idle while shifting from reverse to drive. . 1991 Chevy C1500 intermittent problem. 2. . high volume oil pumps increase the amount of oil flow by an average of 20% through the engine improving oil pressure at idle providing dependable performance every time in every. No trouble codes and the rough idle only lasted a few seconds. . i have a 1995 silverado 5. . 169,000 miles, 350 w/air, Auto. A quick search of the manual and the internet makes it sound simple enough to set the timing for the Chevy. . Ive Got A 91 Silverado 350 With Some Idle Problems. 7L will not idle. 1 2500HD Silverado (used from dealer) about a year ago it ran great until recently. 1991 Chevy CK Pickup After Market Accessories & Parts Online;. Misadjusted or bent throttle linkage. If your fuel pressure is low or you have sticking clogged injectors you may get the hesitation and stumble on acceleration but run good at cruise. . This is a tutorial on how to swap out an IAC valve in your 1991 Chevy C1500 pickup. If you let off of the gas coming to a stoplight and it stalls for a second or two and recovers itself, it very well could be a dirty throttle body that is causing the problem. . . At start up it was 30+psi and as the engine warmed it dropped to below 10psi. 2008 I have replaced the MAF sensor, air filter, knock sensor, fuel pump, coil, tps, fuel filter, distributor cap and rotor. Feb 12, 2017 · Also if you have some carbon build up on the valves and throttle body may also add to the hesitations.


The high idle was a vacuum leak - the gasket between the TBI and the intake manifold was bad. . Starter drive gear sounds more like a "Ting, Ting". Chevrolet Silverado 3500 Problems by Year. 09-14-2004, 05:43 PM. Jul 10, 2020 · class=" fc-falcon">Is there an idle speed or other IAC-related DTC stored? Then there’s probably a problem with the IAC, a vacuum leak, or a problem with the IAC control circuit. . . The truck sat for 2 weeks without being started. 7 truck engines. . Chevrolet Silverado engine problems aren't restricted to faulty sensors. - Obstruction in the fuel return lines to tank. 29-41, 42-48, 49-54 Moderator. It seems this tough engine has everything incorporated into it.

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. . Sensor Faulty M. . . - Idle Air Controller (IAC) - Coolant Temp Sensor. . . after turning on key fuel pump kicks on when u crank it over injectors shoot gas and truck starts!. 1991 chevy 1500, changed almost everything and still misses going down road sometimes, can't figure it out, please help. has hit running temp. 63. Here is what I have done since Aug. Step 1 - Check your u-joints. cccj. I am having problems with my 2007 Chevy Silverado 1500 LT 4x4 (New Body Style) V8 5. I am not getting as good of fuel economy as I think I should. . Manufactured using the highest grade materials and the. Chevy CK Pickup With Code TN 1991, Genuine GM Parts™ Carburetor Accelerator Cable by ACDelco®. Loose u-joints cause a terrible clunk when you put your truck in reverse or drive, and are actually dangerous. a major vacuum leak, so it doesn't idle like it. . fc-falcon">My dakota was surging up and down at idle.

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you have a bad vssb ( vehicle speed sensor buffer ). 4WD systems give truck owners unprecedented abilities when it comes to gaining traction, both on and off the road. My car has an automatic transmission. Put the spring scale 1/2 way between the alternator and crankshaft pulley, pull on it to 22lbs (10Kg), and check the deflection doesn't exceed 0. new tune up,. $10. . Right for your vehicle and lifestyle Made from high-quality materials for ultimate durability. . So, if you too are. . Engine Performance Problem 1991 Chevy Silverado V8 Four Wheel Drive Automatic I Have A 91 Chev 4x4 Truck That Had A 305 Engine In It. . . . Click on a category below for details. . has hit running temp.

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I purchased a 2001 8. C/K 1500 2500 Silverado 350 / 5. . I have a 2001 Chevy Suburban 2500, 2WD w/ 6. . I have done a tune up including oil and filter, fuel filter, spark plugs, wires, cap and rotor. . Silverado 1500; Silverado 1500 Hybrid;. A fouled spark plug can cause a rough idle. Step 2: Locate the port for the OBDII reader. When you first start it u need to give it throttle for a few seconds to keep er running and when she does stay running she idles really low, then if your not giving her gas and you cut the wheel shell cut out. #1. I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money. 1988-1999 Chevrolet & GMC C/K GMT400 Platform. <b>Chevy Lumina 1991, Camshaft by Melling®. Customer complaint bad gas mileage and a surging condition at idle, sometimes. At start up it was 30+psi and as the engine warmed it dropped to below 10psi. This is a great informational site. The truck sat for 2 weeks without being started. new tune up,. . I got it cheap because it wouldn't go into reverse, took it to the trans shop. 0 305 engine,has a rough idle,wants to stall at stop signs and bogs down when accelerating. If your Chevy Silverado is having any of these problems, you can get a replacement coolant temperature sensor from O. . Tighten the six bolts in a crisscross pattern to 132 inch-lbs, and then again to 22 ft-lbs. They used about 12 different calibrated options. They used about 12 different calibrated options. . Right for your vehicle and lifestyle Made from high-quality materials for ultimate durability. 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. 1991 CHEVROLET SILVERADO. Chevy Silverado. . . 1994 Chevrolet K1500. 11-09-14 01:12 PM - Post# 2497312 Hi all I have 1991 chevy silverado 5. 04-15-2006, 01:51 AM. - Idle Air Controller (IAC) - Coolant Temp Sensor. I've had to replace the ignition module that sits at the base of the distributor a few times, but the failure mode was always that it would start and run, but wouldn't apply any advance, run a little rough, and would throw a trouble light. C/K 1500 2500 Silverado 350 / 5. SOURCE: 1997 chevy silverado 1500 350 vortech, new fule pump not working. .

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cccj. This is a tutorial on how to swap out an IAC valve in your 1991 Chevy C1500 pickup. . Most vehicle's engines will idle at our below one thousand RPMs. Apr 15, 2006 · 98 Chevy Silverado Idle problem, Does Not Idle well, until warmered up. . You can find a complete list of V8 Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) tutorials in this index: GM 4. . 169,000 miles, 350 w/air, Auto. Misadjusted or bent throttle linkage. 2. For over a century, Chevrolet has been building trucks to get America to work. It starts and idles fine but when I put it in drive it moves forward a little bit - Chevrolet 1991 Silverado 2500 question. 1991 isuzu pup idle problem. 3.

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