× 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
1998 Jeep Wrangler Sahara 4.0L Poor Idle Quality
Posted to Chrysler Driveability on 5/28/2006 12 Replies

Engine runs great , just now and again rpm will rise to 1500, then drop back to 800, then 10 min later rise to 1500rpm and stay for five Min's or so, then drop back down. Cleaned out TB and IAC valve even tried another. Vacuum leaks not found using carb spray....

12 Replies Received (View Replies)

  Related Documents & Media  1998 Jeep Wrangler Sahara

 
Message Closed w/FIX

car Vehicle Data

1998 Jeep Wrangler Sahara

VIN 1J4FY49S4W
Engine4.0 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1998 Jeep Wrangler Sahara

VIN 1J4FY49S4W
Engine4.0 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIntermittently