Is my Coil Bad?

oilyspill wrote:
>
> My info says the p300 code is usually caused by a lean condition. Too
> much air, maybe a vacuum leak or not enough gas. If you have the cfi
> fuel system, they are noted for problems.
>
> If you think it is an ignition issue, I have heard of using a
> timing-lite to see the misfire, I've never tried it, I guess the timing
> pulse will act-up.

Using a timing light to find a miss is deceiving. I have been caught by
3 cylinders not showing a pulse so we thought electrical. We started
there. Nope. It was one of the carb barrels not working so 3 cylinders
weren't getting near enough gas.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's