Asked by RWS10 Jan 31, 2016 at 12:35 AM about the 2001 Chevrolet S-10 Extended Cab 4WD
Question type: Maintenance & Repair
Need some help with my s10. Ive tried everything replaced map sensor fuel pump checked throttle sensor egr valve wires plugs rotor distrbutor cap fuel filter .The truck idles an revs fine go to drive and accelerate and it bogs if it was an old car I would think it was thru vaccum advance. Any help would be a big help. Thanks RW
What you need to check is if there is a fuel leak. I would do a fuel pressure bleed down test by hooking up a fuel pressure gauge to the Schrader valve, cycle the key to build up pressure which should be 56 to 63 lbs. then turn the key off then watch the pressure gauge from its highest reading. The fuel pressure should not drop more that 5 lbs in 3 minutes. If it does the there is either leaky fuel injectors, leaky spider lines, or leaky fuel regulator. Unfortunately if any of these are leaking it is recommended to replace all as a unit as it has ben redesigned to be better, and spendy of course.
Thanks for the quick answer I did a fuel pressure test after installing the new fuel pump did great pressure was right on. But I didn't let it set just ran the engine and watched the gauge. Thanks for the help I'll try that. RW
Need some help with my s10. Ive tried everything replaced map sensor fuel pump checked throttle sensor egr valve wires plugs rotor distrbutor cap fuel filter .The truck idles an revs fine go to driv...
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