Having problems with your 1998 Isuzu Trooper ?
My car is makeing a tapping noise under the hood. it does'nt make the noise when i'm driving at a normal speed. what could it be?
Sounds like a vacuum leak. Raise the hood while your engine is idling and see if you can pinpoint the area. Chances are, you'll find a vacuum line with a hole or loose connection.
Repair Help & Product Troubleshooting for 1998 Isuzu Trooper
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