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1993 Jeep Wrangler S 2.5L Excessive Emissions, Misfire, Poor Fuel Economy
Posted to Chrysler Driveability on 9/14/2012 4 Replies

Electronic Spark timing fluctuates between 32deg. and 15 deg. @ 2500 rpms no load idle. The same condition occures @ 800 rpm idle with less timing variation and base timing @ 20 deg. to 10 deg. Any help on which direction to take on diagnoises?

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  Related Documents & Media  1993 Jeep Wrangler S

 
Message Closed w/FIX

car Vehicle Data

1993 Jeep Wrangler S

VIN 1J4FY19P1P
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / mpfi
Emissionsca.
SymptomsExcessive Emissions, Misfire, Poor Fuel Economy

Trouble Codes

52sustained rich f/a condition
Message Closed w/FIX

car Vehicle Data

1993 Jeep Wrangler S

VIN 1J4FY19P1P
Engine2.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / mpfi
Emissionsca.
SymptomsExcessive Emissions, Misfire, Poor Fuel Economy

Trouble Codes

52sustained rich f/a condition