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Gary, Australia Car Mechanic
Category: Australia Car
Satisfied Customers: 1120
Experience:  Senior Technician
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Just serviced vz check powertrain came on went to sparky no

Customer Question

Just serviced vz check powertrain came on went to sparky no 1 was miss firing he reset then came on again no 5 miss firing
JA: What is the make/model/year of your car?
Customer: Holden commodore vz 06
JA: Are you fixing your Commodore yourself? What have you tried so far?
Customer: Was just servicing new spark plugs one coil was broken replaced n put back together
JA: How many miles are on the car? When was the last time the plugs were changed?
Customer: Not long ago bought car but the old plugs looked pretty old
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 4 months ago.
Category: Australia Car
Expert:  Gary replied 4 months ago.

Hello! My name is Gary.
Welcome to JustAnswer.
I'm reviewing your question now, and will post back with a reply shortly.

Expert:  Gary replied 4 months ago.

Hello there,

Sounds like you have some intermittent misfiring going on.

First thing to do now is have the valves cleaned from carbon buildup, especially since the inlet manifold has been off.

Very common for foreign matter etc to stay trapped under the valve seats.

Please only fit genuine coils as well.


Expert:  Gary replied 4 months ago.

Hello again,

Do you need any further help?

I hope my advice has been of assistance to you.

Kind regards