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Old 10-23-2001, 03:54 AM
Jim T Jim T is offline
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Join Date: Oct 2001
Location: Portland,Oregon
Posts: 50
Bosch spark plugs ( update )

Has anyone had a problem with the Bosch spark plug insulators breaking . I have a 87 2.3-16 this weekend while driving to the coast I had a failure of a HR8DPX plug part of the center electrode broke . The end result is no compression in cyl no 2 .About 12,000 miles ago I had a similar failure where only a small part broke off. This happened on the same road same place it is an up hill passing lane running at nearly full throttle and part way up the hill the plug failed . Has anyone had similar failures ?
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Bosch spark plugs-mercedes-plug-.jpg  

Last edited by Jim T; 10-26-2001 at 04:48 AM.
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