× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1988 Chevrolet Gruman 2.5L Surge, Stall, Misfire
Posted to GM Driveability on 3/20/2004 8 Replies

This thing has a rough idle, surges, and you can feel a miss fire in the tailpipe. I have swapped the injecter and map sensor. When you unplug the map sensor,electrical or vacuum hose, it will run smooth. I have compared it to another LLV and the only differan...

8 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet Gruman

VIN 1GBBS10E5J
Engine2.5 L / 4 cyl
DeliveryFI / TBI
EmissionsFEDERAL
SymptomsSurge, Stall, Misfire
OccursAlways
Misc.Post Office Llv
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet Gruman

VIN 1GBBS10E5J
Engine2.5 L / 4 cyl
DeliveryFI / TBI
EmissionsFEDERAL
SymptomsSurge, Stall, Misfire
OccursAlways
Misc.Post Office Llv