ENGINE MISFIRING AT IDLE

2003 Nissan X-Trail

Tiny

racers320

September, 24, 2010 AT 7:05 AM

Engine Mechanical problem
2003 Nissan X-Trail 4 cyl All Wheel Drive Automatic 84000 miles

After recently servicing the car & changing spark plugs, Oil, Oil filter & air filter. The car car began to misfire at idle. It made a popping sound from the exhaust every 3-5 seconds or so. What could be the problem because it was not misfiring before the service. All the plugs are gapped to the right spacing. Recently it has been running a little noisier but still misfiring.

FOUND 1062 RELATED QUESTIONS

3 Answers

Tiny

rasmataz

September, 24, 2010 AT 7:18 AM

Is it the OEM sparkplugs and also did you torque it to specs-double check the plug wire connections at both ends.

Tiny

racers320

September, 24, 2010 AT 7:40 AM

No, its was aftermarket plugs (NGK V-Power) & no I 'dont own a torque wrench sadly.

Tiny

rasmataz

September, 24, 2010 AT 8:55 AM

Just using the wrong type plug can cause the engine to have a fit-check the plugs again or replace it to the OEM part-The only thing you did was replaced the plugs unless you didn't wire it correctly-inspect the plug wire contact ends

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