Mis-fire when engine compartment heat soaked..
Thread Starter
Race Director
Joined: Nov 2000
Posts: 17,103
Likes: 39
From: stop the fun suckers
Mis-fire when engine compartment heat soaked..
If the engine gets hot (230+) in stop and go traffic and at some point it clearws up and I nail it, the engine breaks up at higer RPM's 3000+. I would describe it as a misfire..
This even happens if the engine comes back down to normal temps quickly (which it does) but underhood temps have yet had a chance to vent??!?
Could this be caused by a two of the bolts on the cover plate for the chip on the ECM being stripped (the other two still snug down).. ?!?!
engine specs in sig.. I do my own tuning..
Thanks!
BTW: I posted this in the tune section but maybe this is the better place..
http://forums.corvetteforum.com/show....php?t=1680556
This even happens if the engine comes back down to normal temps quickly (which it does) but underhood temps have yet had a chance to vent??!?
Could this be caused by a two of the bolts on the cover plate for the chip on the ECM being stripped (the other two still snug down).. ?!?!
engine specs in sig.. I do my own tuning..
Thanks!
BTW: I posted this in the tune section but maybe this is the better place..
http://forums.corvetteforum.com/show....php?t=1680556
Le Mans Master
Joined: Oct 2003
Posts: 6,130
Likes: 2
From: seattle WA
, couple other things, I think your ECM is on the firewall? and they are susceptible to heat, I would fix that just to eliminate it. Another thing you may want to do is ohm your injectors both cold and hot.
Le Mans Master
Joined: Apr 2005
Posts: 8,077
Likes: 4
From: Scarborough ONTARIO
When i was going to Ft lauderdale FL from atlanta last year in summer time, Ignition module kaboom, b/c way too much heat, car will drive 40 miles before it siezed and than wait till it cools down than again 30-40 miles cool down for few min's i did this probably atleat 4-5 times, finally local mech at truck stop found out ignition module went bad, i finally wait till next and man this after i finished spent 400.
Team Owner
Joined: Oct 2000
Posts: 96,443
Likes: 9
From: Fort Knox, KY
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Be sure and coat the new ICM with the packet of grease that comes with it or your new module will stir-fry itself to death in short order, too.
