× 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
1993 GMC Safari SLE 4.3L Poor Idle Quality
Posted to GM Driveability on 1/9/2009 18 Replies

This vehicle came in with al the symptoms of a defective fuel regulator, it has one of those spider web injection systems. The engine runs ok once you take it above an idle. At an idle it runs poorly. I dug out my old scanner and omg what a mess, you see the c...

18 Replies Received (View Replies)

  Related Documents & Media  1993 GMC Safari SLE

 
Message Closed w/FIX

car Vehicle Data

1993 GMC Safari SLE

VIN 1GKDM19W4P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Emissionsobd1
SymptomsPoor Idle Quality
OccursAlways
Misc.Idle Very Poor and a Ton of Codes

Trouble Codes

34map sensor
41cylinder select error
42est monitor
43ecs failure
4502 sensor
51prom error
Message Closed w/FIX

car Vehicle Data

1993 GMC Safari SLE

VIN 1GKDM19W4P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
Emissionsobd1
SymptomsPoor Idle Quality
OccursAlways
Misc.Idle Very Poor and a Ton of Codes

Trouble Codes

34map sensor
41cylinder select error
42est monitor
43ecs failure
4502 sensor
51prom error