the truck back fires when i start the car, it is very hard for the car to speed past fourty miles per hour.

Asked by Aug 10, 2013 at 06:30 AM about the 2005 Infiniti QX56 4 Dr STD 4WD SUV

Question type: Maintenance & Repair

it back fires and black smokes comes out of the exhust when i start the car, it is hard for the car to speed past fouty miles per hour.. Please advise us what to do. Thanks. is My email address is

2 Answers


Sure Sounds like a timing / ignition issue. Is check engine light on?

1 out of 1 people think this is helpful.

Sounds like a compression issue to me!

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