1999 Infiniti Q45 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Infiniti Q45

1999 Infiniti Q45 Problems

Check Engine Light Due to Failed EVAP Purge Control Valve

Intermittent failure of a purge control valve in the evaporative emission system can cause the Check Engine Light to illuminate. A failed valve should be replaced to correct this problem.

 

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1999 Infiniti Q45 Questions

changed spark plugs and replaced tps but car still idles rough at stop. (1 answer)

changed throttle positioning sensor because that's what diagnostic said was a problem but still made no difference and check engine light is still on. what could it be?

the Engine is overheating (1 answer)

why do engine over heat (1 answer)

the temp gauge is above hot

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1999 Infiniti Q45 Reviews

this is a great car for the mileage. nonsmoker, taken great care of the car.

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