2001 Jeep Grand Cherokee Laredo 4.0L noise
Vehicle originally came in with check engine light on codes P00306 and P0300. Diagnosed as failed ignition coil. Replaced coil assembly along with spark plugs and fuel filter. Runs well no check engine light or codes. However there is a whining or whistlin...
FIX posted 3/29/2018
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Message Closed w/FIX
Vehicle Data2001 Jeep Grand Cherokee Laredo
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Message Closed w/FIX
Vehicle Data
2001 Jeep Grand Cherokee Laredo
VIN | 1J4GW48S51 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Noise |
Occurs | Cold, Idle, Intermittently |