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1987 Chevrolet V10 Custom Deluxe 5.7L Hesitation, No power upper RPM
Posted to GM Driveability on 7/10/2013 23 Replies

Idles good, when accelerating, can`t reach high rpms, acts like it has a rev limiter or timing retards, code 43 not usually present, I set timing to 0 with no improvement, set at 4, then can reach slightly higher rpm but code 43 set at full throttle. Fuel pres...

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  Related Documents & Media  1987 Chevrolet V10 Custom Deluxe

 
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet V10 Custom Deluxe

VIN 1GCEV14K5H
Engine5.7 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFuel Injection / TBI
EmissionsFED
SymptomsHesitation, No Power Upper RPM
OccursUnder Load, on Accel

Trouble Codes

43testing and results
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet V10 Custom Deluxe

VIN 1GCEV14K5H
Engine5.7 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFuel Injection / TBI
EmissionsFED
SymptomsHesitation, No Power Upper RPM
OccursUnder Load, on Accel

Trouble Codes

43testing and results