Question about 2001 Chevrolet Silverado 1500

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2001 gmc sierra stalls when I stop

Having trouble trying to decide what to do first... the truck will die at stop lights, has 285,000 miles, sometimes it is fine other times it is not, also the fuel gauge doesn't work properly after being forced to drive down a really super bumpy dirt road(tried to go as slow and easy as possible)

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  • Chevrolet Master
  • 5,274 Answers

When your stopped, that is usually closed throttle. I'd want to check and clean anything that has to do with idle air system, where applicable.
Sometimes with fuel gages, I do testing by using a couple of resistors representing full and empty. If your gage reacts properly, the problem should be the sending unit in the gas tank.

Posted on Jan 17, 2018

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6 Suggested Answers

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6ya staff

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Posted on Jan 02, 2017

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emissionwiz

Marvin

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SOURCE: truck dies when i stop or slow down

this may be the cause, try it and see if it helps, it is a very common cause of problems like yours.
Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Mar 03, 2009

Anonymous

  • 1 Answer

SOURCE: Idle Problem when you slow down of come to a stop idle goes low

THis has happened to me in the past. My fix was to clean the throttle body. The problem began after my battery died. The computer was defaulted back to its original settings after replacing the battery. Once I cleaned the throttle body, everything was fine. This happened at about 85,000 miles.

Posted on Mar 13, 2009

Anonymous

  • 6 Answers

SOURCE: 92 Chevy Suburban Electrical Fuel System

Check fuel flter at fuel pick-up intank (looks like a small wire sock). Remove fuel filter and fitting at fuel rail. Blow out fuel lines w/about 35lbs air press. Ck electrical @ relay - should be 4 connectors - one is key on hot/one is always hot/one is ground and last is hot to fuel pump. Good Luck

Posted on May 03, 2009

Anonymous

  • 20 Answers

SOURCE: RPMs fluctuate, sometimes stalls at stops, wierd shifting

check throttlr sensor

Posted on Jul 22, 2009

Ted Schore

  • 7353 Answers

SOURCE: I have a 1985 Chevy C/30 pick-up with a 7.4L 454.

85 with TBI only needs 13lbs of fuel pressure. verify that the fuel filter is clean. there is no easy way to ck fuel pressure, special adapters are needed, I dont have info here at home but there should be a relay for the pump, on the firewall and the oil pressure switch also powers the pump. did you replace the pump trying to fix this problem or did you just mention it to help troubleshoot the problem? verify that the fuel pump wiring has a good ground, should have been a eyelet that bolted to the frame..when you initially turn the key on, you should hera the fuel pump power up for 2 seconds, then go off, after the engine starts, the power for the pump goes through the oil pressure switch.

Posted on Sep 19, 2009

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