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Question
QUESTION: Replaced plugs and plug coils and truck is still running rough

ANSWER: Hi John -

Can you tell me if your check engine light is on?
Have you checked for a vacuum leak?
Also, would be of great assistance if you could mention the year, make and model of your truck.


Aloha
Calvin

---------- FOLLOW-UP ----------

QUESTION: Calvin, engine light flashes. 07 Nissan Frontier, 4.0L

Answer
Hi John -

OK. If the above vacuum leak test is negative, then you will need to go and get the engine code (OBD) diagnosed and downloaded. If you have Autozone in the area, they can do it, or just about any auto repair shop.

Once you give me the number, we can go to the next step -

Hope this helps -
Aloha
Calvin

Nissan Repair

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Volunteer


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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