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F115 with hot start up issues

S

Shrike

New member
I have a 2002 F115 that has a problem on hot restart. 99% of the time it fires right up cold or on restart. On occasion, after a run of say 15-30 mins, will not start up. This may happen early or late in a day. Starter cranks but will not fire. Wait 15 mins or so, and usually starts up, but frustrating. Gas is good, re-squeeze bulb, sometimes tilt motor up and down and remove cowl. I have a 10u water sep filter on it as well.

Any ideas?
 
You need to check for spark when she does this
also u can try and see if the motor starts in nutral with a little throttle
if it dies your TPS sensor needs adhusting
you also have an idle valve that needs to be checked yearly with the YDS program
 
Justintime-

Assume no spark as it would be difficult to check. Coil? I am trying to go ahead and replace what may be the problem as diagnostics do not seem to have been able to find an issue.

Thanks
 
Well hope yo got big pockets because your just going to throw money at it

You need to run the motor on a new fuel tank amd primer line

Ypu need to do a spark amd compression check

You need to use a timing light to check spark on all cylinders
 
Seems that I read a post similar to this a while back and it was the Throttle Position Sensor. Mine did this a few times as well and seems if I let it idle before killing it I don't have that issue. I have the same engine and same year
 
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