 
				
	| 1987 Jeep Wrangler 4.2L Detonation 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... 
                        
                            FIX posted 11/8/2010
                               
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| VIN | 2BCCZ81JXH | 
| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 3-speed Automatic | 
| Delivery | Carburetion / 2 bbl | 
| Emissions | ca emissions | 
| Symptoms | Detonation | 
| Occurs | On Accel | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1987 Jeep Wrangler
| VIN | 2BCCZ81JXH | 
| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 3-speed Automatic | 
| Delivery | Carburetion / 2 bbl | 
| Emissions | ca emissions | 
| Symptoms | Detonation | 
| Occurs | On Accel | 
 25 Replies Received
25 Replies Received
 25 Replies Received
          25 Replies Received
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