1991 Nissan Maxima Major clicking and popping from engine..

1991 NISSAN MAXIMA
97,210 MILES • 6 CYL • 2WD • AUTOMATIC
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DMCLEAN1985
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I have a 1991 Nissan Maxima. The engine has been skipping for quite a while so I decided to change the spark plugs. I did notice quite a lot of dirt on the plugs before taking them out. Cylinder 2 had the most dirt on the plug so after getting the plug out, I took a blow gun to blow some of the dirt out ( a mistake I believe...). I put the plugs in and cranked the car only to hear it sounds like a diesel. I then took the plugs back out and noticed cylinder 1 had some oil inside of it and saw some oily residue from the exhaust. I put the old plugs back into the motor and still got the same thing. Does anyone have any idea what could have possibly happened here or any ideas and how to fix it? Please e-mail me at [email protected], Thanks!!
Mar 14, 2008 at 9:29 PM
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RACI47
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it sounds like a diesel cause the valves are no longer functioning properly upgrade to the 20w-50 oil and put in a quart of lucas oil treatment if this does not slow the oil consumption down check the timing if it is good it is time for a head rebuild job.
Apr 9, 2008 at 1:16 PM