Re: [DML] engine tune-up (misfiring plugs)

["content22207" <brobertson@xxxxxxxxxxxx>]

The easiest way to ensure all 6 plugs are firing is to clip a timing
light on each wire, as close to the plug as possible (can get false
positives by the distributor cap from wires damaged further down). You
don't have to shine it on anything in particular -- just ensure it's
flashing.

The PRV is truly an odd engine because you can lose a plug without the
usual tell tale stumble. I lost my entire driver bank on the highway
from SEDOC (barbeque'd by a vacuum leak through the passenger intake
rail) but the biggest symtom was a precipitous drop in fuel economy,
not engine behavior. Power & performance in 5th gear didn't even go
down noticeably until I hit some hills.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, "K. Creason" <dmc4687@xxxx> wrote:
> REALLY check those plug wire connections. When I did mine I not only
had a
> wire (#5, I think) that didn't fit onto the plug right, I had one that
> slipped off the rotor.
> The funny thing is, it would run ok while idling and sound like it
was using
> all six.
> So, really, really check all those plug wire connections.
> 





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