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1999 Saturn SC2 1.9L Misfire
Posted to GM Driveability on 1/20/2012 25 Replies

check engine light on. scaned and has a po300- multiple cyl. misfire. under load cyl. #1&4 misfire. if you unplug the egr valve the misfire goes away. intake is not leaking' replaced ign. coils,module,wires,and plugs with oem pts. tried a new egr valve also. n...

25 Replies Received (View Replies)

  Related Documents & Media  1999 Saturn SC2

 
Message Closed w/FIX

car Vehicle Data

1999 Saturn SC2

VIN 1G8ZR1270X
Engine1.9 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Saturn SC2

VIN 1G8ZR1270X
Engine1.9 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel

Trouble Codes

P0300Multiple Misfire Detected