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2004 chevy silverado 5.3L V8 runs rough and stalls

2004 chevy silverado 5.3L V8 set code for knock sensor then stalled while driving and running rough. It would start but once warm runs rough and stalls. Set code (P0336) saying it was running lean and finally a code (P0171 I think) saying alignment problem. Checked fuel pressure, was good at all times, cleaned injectors. Any idea where to go from here?

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Well, code 336 is for a problem with the crank sensor, and code 171 is for fuel system too lean bank one which is the side with cylinder one. Since you have checked fuel pressure and I will assume fuel volume is good, the crank sensor or circuit could be at fault.

Posted on Jul 10, 2013

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shop242
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SOURCE: 2000 Chevrolet Venture multiple codes stalling and rough idle

Look for broke/ shorted wires on Crank sensor.. thanks

Posted on Mar 17, 2009

bitchn65cuda
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SOURCE: 1996 s10 2.2 engine starts but idles rough and will not rev up.

Hi! You must be frustrated by now! your code is marking that the O2 sensor is bad in bank 1. Did you replace the O2 sensor that is located  before the catalytic converter?  The S10 has an O2 sensor specially made for that cat. its about 30$ That would explain for your blackened spark plugs; your pc on the car is asking for more fuel. GOOD LUCK!!

Posted on Apr 29, 2009

  • 1071 Answers

SOURCE: CHECK ENGINE CODE P0171

there is only one bank on a pt cruiser and yes it could be a fuel pump or a vacuum leak

Posted on Aug 06, 2009

  • 1 Answer

SOURCE: 2000 kia sportage trouble code po171 once in

I have 2005 Kia Sportage with a check engine light. No other symptoms. I was told by Kia and Local mechanic that it is the fuel injectors. Error Code states that Fuel injectors are running lean. Put Master airflow- no change. Ran engine test with propane to run rich and trim never changed from 15. Car runs great. Kia dealer said that this is because we use Ethel in gas that it effects the alumium fuel rail delivery to the injectors and that it is necessary to change all of them .Kia Dealer wants $1,000.00 deposit to place order 6 fuel injectors from Kia. (Has anyone heard of that?)Also put fuel injector cleaner in tank.Does anyone have any suggestions before I spend over $1,000.00 to replace all 6 injectors or possible idea of what could be wrong?

Posted on Jan 07, 2010

  • 12 Answers

SOURCE: 99 chevy silverado running rough and stalling.

the problem you are discribing would lead me to belive your fuel filter is clogged which is a simple fix 3 dollar part at any part store or on the worse hand your fuel pump itself could be weak you can open the gas tank cover and have another person turn the truck key to the on position without going far enough to start you will hear a faint whining noise if it is going bad or a louder noise if it is fine Good Luck

Posted on Mar 03, 2010

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