why does my valve tap

155

Asked by Mar 08, 2007 at 05:36 AM about the 1990 Audi 90 Quattro

Question type: Maintenance & Repair

2 Answers

7,805

It could be a noise from your injectors. Use some cleaner in your next tank of gas.

1 out of 1 people think this is helpful.
295

Does the tapping noise go away after the engine has warmed up? If so not to worry. As tropikalpriate suggested, some injector cleaner is a good idea. If the tapping continues after engine warm up, youmay want to have a mechanic look at the valvetrain.

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