Car Won't Start When Hot, But It Fires Up Cold
06-16-2005, 12:03 AM
#12
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Join Date: Apr 2003
Location: Long Island, NY
Posts: 442
yeah... that was my thought too... so i'm installing a fuel cut switch to cut the fuel pump off seperately... maybe that will work.
there are no environmentals so the orange solenoid trick won't work.
i'm tryin the injector thing tomarrow.
there are no environmentals so the orange solenoid trick won't work.
i'm tryin the injector thing tomarrow.
06-16-2005, 07:39 AM
#13
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Join Date: Dec 2001
Posts: 376
[quote name='DJ Blu' date='Jun 11 2005, 07:37 PM']alright, so the saga of my T2 continues. It starts really strongly, it is timed correct, and runs smoothly, but it won't start when it is hot. If i cold start it, and warm it up, it won't restart again till it cools. If i turn it off before it heats up, it can start again immediately. I've never heard of this and was hoping someone here had.
any ideas... compression is good, so it's not that, and i taped up the tid good enough that the car, when hot will idle @ about 700, so i don't think it's vacume.
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Check the water temp sensor behind the water pump, and make sure the cable that runs to the ECU is in good conditions.
any ideas... compression is good, so it's not that, and i taped up the tid good enough that the car, when hot will idle @ about 700, so i don't think it's vacume.
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Check the water temp sensor behind the water pump, and make sure the cable that runs to the ECU is in good conditions.
06-16-2005, 04:07 PM
#14
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Location: Savannah, Ga
Posts: 2,763
[quote name='knonfs' date='Jun 16 2005, 08:39 AM']Check the water temp sensor behind the water pump, and make sure the cable that runs to the ECU is in good conditions.
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You would get a CEL for that
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You would get a CEL for that
06-17-2005, 07:18 PM
#16
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Join Date: Dec 2001
Posts: 376
[quote name='mazdaspeed7' date='Jun 14 2005, 12:00 PM']Try unplugging the PRC solenoid on the vacuum rack. I believe its the orange one. What it does it cut off the vacuum signal to the fuel pressure regulator on hot starts, raising the fuel pressure slightly.
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Most probably, the CEL was always on since I removed all of the emissions components. On any case, I had the same exact problem, and it turned out to be the sensor.
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Most probably, the CEL was always on since I removed all of the emissions components. On any case, I had the same exact problem, and it turned out to be the sensor.
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