2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Car won't start when warm.

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Old Jun 15, 2008 | 05:14 PM
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londonmazda's Avatar
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Car won't start when warm.

hey. I have an 1987 T2 with the only mods being complete emissions delete, 680cc secondary injectors, FCD and 3" exhaust.


Car starts perfect when cold, like absolutely dreamy. haha. but if it is warm and i don't give it about 20 minutes to cool down it has a lot of trouble starting. the primary injectors are brand new and the secondaries were cleaned and flow tested - came out perfect. I can get it started by pulling the EGI fuse but even that gives me trouble sometimes. the compression is around 100 on all sides on both rotors.

anyone have any ideas? I think the TPS is bad, could this contribute?
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Old Jun 15, 2008 | 05:30 PM
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From: dayton,ohio
check compression
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Old Jun 15, 2008 | 05:35 PM
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That sounds right your temp might be bad and thinking its hotter then it real is try to unplug it and see if it starts then
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Old Jun 15, 2008 | 05:36 PM
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Originally Posted by turboIIrotary
check compression
guess you didn't read my post...

Originally Posted by Sojin
That sounds right your temp might be bad and thinking its hotter then it real is try to unplug it and see if it starts then

hrm, okay i'll try that. thanks.
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Old Jun 15, 2008 | 05:43 PM
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ooo i see it now check your water thermo sensor to see if it is in spec my car has over 100 psi on each rotor and it has hot starts. you also need something to control the secondaries.
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