LOUD ENGINE KNOCK COULD THIS BE THE EGR VALVE OR THE PCV VALVE CAUSING THE KNOCK?\

1996 Isuzu Trooper

Tiny

ribbo

April, 24, 2012 AT 5:20 AM

Knocking all the time on start up

FOUND 696 RELATED QUESTIONS

2 Pvc Valves Are Bad??

4 ANSWERS
14 IMAGES

Pcv Valve Location

3 ANSWERS
2 IMAGES

1 Answer

Tiny

fixitmr

April, 24, 2012 AT 5:45 AM

You mean it runs rough or just makes knocking noise? I bad miss can make a knocking sound or some part internally has failed. Hard to judge on net. Does it knock worse when driven?

Please login or register to post a reply.

Code Read Retrieval/Clear Scion XD
Code Read Retrieval/Clear