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2000 Silverado 1500 Dies at 5 MPH

jdbenedi

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jdbenedi New Member

jdbenedi

Posted
Posted

I have a 2000 Siverado 1500 2WD and it died like someone turned the key off. It starts right back up and idles just fine. I can rev up to 4-5,000 rpm. Fuel pressure is hovering around 42 PSI at Idle. When I rev the motor it increases... I can put it into drive and let it cruise very slow (under 5 mph) for as long as I want but as soon as I go faster (in reverse or drive) it cuts power. I know it is power because I monitored fuel pressure as it died and it remained at 50 PSI even after the complete shut down... It will immediately restart as if nothing happened but once again if you exceed 5 MPH it dies...

 

Any ideas???

rjgti Enthusiast

rjgti

Posted
Posted

clean your grounds and measure resistance to ground at pcm connecter. i don't recall the pinout for your truck, maybe someone can post that up for you

anumber1 Enthusiast

anumber1

Posted
Posted

I agree its electrical. Your description leads me to believe it has the computer is shutting down the ignition. These trucks commonly have grounding problems causing all sorts of trouble (especially if you live in the rust belt).

 

Your codes point to a electrical problem also.

 

P0122 Is an electrical problem with the throttle position sensor and could very well have something to do with your issues.

 

p1351 is often a poor ground regarding the ignition and a likely cause to your problem.

 

P0452 is an evap system leak and has nothing to do with your problem (but will keep your CEL lit).

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