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1987 Jeep Wrangler 4.2L Detonation
Posted to Chrysler Driveability on 10/23/2010 25 Replies

need a little help on this one. on slight acceleration you can hear the engine detonating ( or pinging as some post called it ) i have checked all the basics the timing is at 9 deg at 1600 rpm as per instructions with vac disconnected ( this has manifold vac t...

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  Related Documents & Media  1987 Jeep Wrangler

 
Message Closed w/FIX

car Vehicle Data

1987 Jeep Wrangler

VIN 2BCCZ81JXH
Engine4.2 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryCarburetion / 2 bbl
Emissionsca emissions
SymptomsDetonation
OccursOn Accel
Message Closed w/FIX

car Vehicle Data

1987 Jeep Wrangler

VIN 2BCCZ81JXH
Engine4.2 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryCarburetion / 2 bbl
Emissionsca emissions
SymptomsDetonation
OccursOn Accel