
2003 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality, Misfire, MIL Lamp on
Thanks in advance to everyone willing to give a helping hand. I have this Suburban that all of a sudden started running rough. Scannned for codes only p0300. Misfire counter shows #8 constant misfire and #7 misfire at idle. Checked plugs and wires looked OK bu...
FIX posted 9/19/2007
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Message Closed w/FIX
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VIN | 1GNEC16Z33 |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Suburban 1500 LT
VIN | 1GNEC16Z33 |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |