Engine too rich....High Compression...Please help - Jeep Wrangler Forum

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Old 11-26-2008, 05:27 PM   #1
Join Date: Nov 2008
Location: Chesapeake, Virginia
Posts: 28
Post Engine too rich....High Compression...Please help

Hi my engine is too rich...My compression when turned on is 88 p.s.i...My sypmtoms while driving is it shuts off and you can start it up 15 minutes later and drive another 10 miles...Ive replaced the Fuel Pressure Regulator, Fuel Pump, and Fuel Filter...My vaccum hose is working...But completely black spark plugs and black shooting out of the exhaust...My diagnostic codes are 12,33,54...Any clues how to fix this

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