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1987 Chevrolet R20 Scottsdale 5.7L No Power
Posted to GM Driveability on 4/1/2014 24 Replies

Truck will fall on its face after 1/4 throttle. Acts as if its not getting fuel- o2 sensor will plummet when you give it gas. Acts VERY lean. My fuel pressure gauge starts at 10 psi to 100- not accurate that low. Amp clamp shows me a good clean pattern 3 amps-...

24 Replies Received (View Replies)

  Related Documents & Media  1987 Chevrolet R20 Scottsdale

 
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet R20 Scottsdale

VIN 1GCASDFKFH
Engine5.7 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFuel Injection / tbi
Emissionsus fed
SymptomsNo Power
OccursOn Accel
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet R20 Scottsdale

VIN 1GCASDFKFH
Engine5.7 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFuel Injection / tbi
Emissionsus fed
SymptomsNo Power
OccursOn Accel