2001 s10 4.3 4x4 no power and stumbles

2001 CHEVROLET S-10
150,000 MILES
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ZIRICOTE
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just recently replaced intake gaskets cause well you know did fpr cam crank and manifold sensors while i was in there also replaced timming chain and gears cap and rotor new o2s and cat. now the truck has no power off idle till i hit full throttle vacuum reads 16in steady fuel pressure with just key on is about 57psi and doesnt drop after key off while engine is running pressure reads around 50-52 psi if i throttle up the pressure rises to 57-58psi im getting p0300 code good ole random miss fire just looking for advice
Sep 5, 2013 at 4:37 PM
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HMAC300
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if this is cpi and it should be it should be 60-62 psi fuel pressure with key on or running
Sep 5, 2013 at 4:50 PM
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ZIRICOTE
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It is the spider just trying to eliminate any other possibles also have ses light the blinks while accelerating truck creeps till I floor it
Sep 5, 2013 at 5:04 PM
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HMAC300
  • CAR REPAIR CONTRIBUTOR
  • 48,601 POSTS
ya the spider type is cpi your fuel pressure is to low it should be 60-66 psi.
Sep 6, 2013 at 6:47 AM