× 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
Re: 1993 ciera 3300 code 48 misfire
Posted to Technical Discussion Forum on 2/23/2002 3 Replies

[...trimmed text...]

From Alldat DTC will set if:

Throttle angle is between 5 & 18%

RPM 1500 to 2500

50 to 60 mph

o2 cross counts greater than 30

Long term trim is greater than 140 or less than 116.

Vacuum lea... Login to read more.

3 Replies Received (View Replies)