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1987 B2600 PingingApril 12 2006 at 12:05 AM
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| Right at cruise speed. Accelerate and it goes away. I use high test gas to minimise it as much as possible. Any ideas?
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| Author | Reply |
Cusser
| Re: 1987 B2600 PingingNo score for this post | April 12 2006, 2:26 PM |
Make sure your EGR valve is operating properly.
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