how long can i drive my 2007 pontiac grand prix with a bad valve?

Asked by Laquitta Jul 06, 2013 at 03:33 PM about the 2007 Pontiac Grand Prix Base

Question type: Maintenance & Repair

the car drives fine while driving ,but when i stop at a light or any time it shakes like a miss
in the motor.i took it to a repair shop and had plugs and a coil put on it,but the mechanic
found out in the process i had a bad valve

3 Answers

9,655

Fix it as soon as possible, postponing repairs like this may end in serious damage to your engine. If the valve breaks it can drop into the cylinder and kill both a piston, the cylinder head and the cylinder bore and potentially cause damage to the crankshaft.

2 people found this helpful.

If you want to count on buying a NEW engine, drive it as long as you can...don't take it on the freeway or any other place where you cannot immediately pull over...I'm with Lars on this one DO it RIGHT...or not at all ('course there's always a question of being able to afford a loaf of bread and some cheese vs. installments on your mechanic bill)~

1 people found this helpful.
47,835

It's NOT a matter of how long you CAN drive it. Stop driving it ASAP, get it repaired before you have to replace the entire engine or worse....

1 people found this helpful.

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