× 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
1991 Cadillac DeVille 4.9L Poor Fuel Economy
Posted to GM Driveability on 8/9/2004 4 Replies

Hello everyone, I got this caddilac with a intermentent code 91. Snapon trouble shooter says something about a starter brace. The car runs good, exsept the customer said fuel mileage was off 6 miles per gallon. If anybody has seen this code give me some help t...

4 Replies Received (View Replies)

  Related Documents & Media  1991 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Fuel Economy
OccursIntermittently

Trouble Codes

91
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN 1G6CD53B2M
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Fuel Economy
OccursIntermittently

Trouble Codes

91