When the car runs for awhile it will not start for 30 minutes

tlfsupra89

tlfsupra89

Silver 89 Turbo Supra
Mar 31, 2005
2
0
0
66
ILL.
I have a 89 Supra turbo with the 7MGTE motor running a HKS twin power DLI,HKS V-pro,Methenol Injection,Apexi AVC-R,1000cc Injectors,2# fuel pumps and regulator.When I start the car it fires right up and it idles around 750RPM when I drive it for a while and shut it down it will not fire up and I am getting no spark from the spark plug wires.If I pop the clutch at 5 miles an hour it will fire right up.I have changed the CPS and it is ok now, put if I wait about 30 minutes the car will fire up.I was thinking maybe it is the Ignition switch but I do not know.Any ideas.
Thanks
 
rayall01

rayall01

New Member
Oct 10, 2008
901
0
0
67
Westfield, ma
First thing that comes to mind, is the ignitor. Have you checked that? Heat could be effecting it, maybe. It's the only thing I can think of that would cut spark to all cylinders at once. Or maybe the wiring from the ignitor to the coil pack.
 
tlfsupra89

tlfsupra89

Silver 89 Turbo Supra
Mar 31, 2005
2
0
0
66
ILL.
rayall01;1350168 said:
First thing that comes to mind, is the ignitor. Have you checked that? Heat could be effecting it, maybe. It's the only thing I can think of that would cut spark to all cylinders at once. Or maybe the wiring from the ignitor to the coil pack.
Click to expand...

I replaced the Ignitor and it still will not spark after it has ran for a while.
I had to pop the clutch to get it to start.Any help or suggestions would be appreciated.
Thanks
 
N

NewWestSupras

SoupLvr
Mar 1, 2006
611
0
0
White Rock
If you are able to bumpstart it right away, it must be getting a spark. As rayall stated, it sounds like a heat soak problem with the start circuit. Hard to troubleshoot on the web of course, but it has to have a proper ignition event even to bumpstart. That would mean the ignitor is working, yes? gl. sounds like a puzzler.
 
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