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Posted on Apr 08, 2012
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I have a problem with my 1990 chevy cheyenne 350 c1500 when I start it will run great. Then 15 mins later it will flood it's self out when it idles. Then I will let it sit for maybe 20 mins and it

I have almost replaced every sensor that I think it could be

  • Sk8erjace Apr 08, 2012

    Well I already did the relay. Because my fuel pump wouldnt turn on. And it's not missing. What's happens is when I race it around and then slow down to stop it will just cut out like it is flooding. When I watch my injectors they shoot down a stream of gas instead of a mist. Then I will let it sit for 20 mins and it will be a mist again for like 15 mins then it will do the samething again

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1 Answer

Brad Kirby

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  • Posted on Apr 08, 2012
Brad Kirby
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Joined: Mar 04, 2010
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Sounds like your fuel pump is overheating. Without the high fuel pressure it won't shoot a cone of fuel out, it'll just be a solid stream. Rarely a fuel injector can do this by sticking, but they usually do it all the time if they do stick. You should test the fuel pressure before and after the problem occurs.

5 Related Answers

Anonymous

  • 13 Answers
  • Posted on Apr 08, 2009

SOURCE: 1996 Dodge Ram runs and dies

Google for Refurbished PCM "brain" and call the site from Florida. My Durango kept stalling wihtout warning and I replaced the PCM for < $300.00 and no problems since.

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Anonymous

  • 69 Answers
  • Posted on Apr 09, 2009

SOURCE: 1990 CHEVROLET K1500 350 MISSES AFTER WARM

My first thought for a solution of your problem is plug wires. You have replaced some common problem areas for this situation but the plug wires are the most susceptible for causing a miss after engine is warmed up. Try replacing the spark plug wires and let me know what happens.

Lefty64

Alex Werz

  • 72 Answers
  • Posted on Jun 08, 2009

SOURCE: 2000 2.0 vw shutt down after running 20 min

Replace the fuel pump relay, it's easy and cheap.

Anonymous

  • 71 Answers
  • Posted on Jun 30, 2009

SOURCE: chevy 350 express van 2000 runs great idles rough

If it does not do it in park or neutral, it could be a number of things. One being a sticking Torque Converter Clutch solenoid (TCC). It could be that it needs a simple tune-up. How often does this problem happen?

Anonymous

  • 56 Answers
  • Posted on Mar 07, 2010

SOURCE: i have a 1989 chevy 1500 pick up v8 350 after it

have your back fuel pressure regulator checked. It allow return pressure to fuel tank.

Testimonial: "Thanks a lot, your suggestion fixed my problem. I put a new fuel pressure regulator in and everything is working as it should now."

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