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Nissan Repair/replaced timing now now pulling a code

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Question
i replaced the timing belt but now my 2001 nissan xterra with the 3.3 4wd wont start and it pulls a p0300 code. what could cause this?

Answer
Hi Stacy -

P0300 is random misfire. First thing I would do is check the wires, coils and plugs. Perhaps they got damaged or fouled during the repair.
If the engine is running smoothly and not missing, then I would erase the code and see if it returns. Could be just a nuisance code.
Also, double check the timing mark alignment as well.

Hope this helps -
aloha
calvin

Nissan Repair

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Calvin Iwashita

Expertise

All general car repairs for all models of vehicles, except technicals (overhauls) on A/C systems and transmissions.

Experience

16 years as a car mechanic from 1974 to 1990, and still repair cars on the side.

Publications
TV

Education/Credentials
High School and college graduate

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