1998 Jeep Wrangler Sahara 4.0L Poor Idle Quality
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....
FIX posted 6/8/2006
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Message Closed w/FIX
Vehicle Data1998 Jeep Wrangler Sahara
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Message Closed w/FIX
Vehicle Data
1998 Jeep Wrangler Sahara
VIN | 1J4FY49S4W |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Intermittently |