1992 Infiniti Q45 Repair Question
Topics covered: Engine, Check engine light, Brakes.
Mileage: No information provided.
Mileage: No information provided.
Asked on July 12, 2010
My car shakes in park and when i brake.
Engine Performance problem
1992 Infiniti Q45 V8 Two Wheel Drive Automatic 222882 miles
My car shakes in park and when I press the brakes down at a complete stop. My check engine light goes on and off and I just got new spark plugs and fixed my injectors in the car replaced 4 injectors. Car is still running rough and check engine light still comes on but goes off sometimes too.
1992 Infiniti Q45 V8 Two Wheel Drive Automatic 222882 miles
My car shakes in park and when I press the brakes down at a complete stop. My check engine light goes on and off and I just got new spark plugs and fixed my injectors in the car replaced 4 injectors. Car is still running rough and check engine light still comes on but goes off sometimes too.
Asked by biancadiazleoAnswer
Replied on July 12, 2010
Hi there,
Thank you for the donation,
You may have a defective brake booster that is leaking engine vacuum when applied, ( the booster uses engine vacuum to operate) i would have this checked first.
mark (mhpautos)
