Having trouble starting my 2001 Galant in the Cold?
It runs great and drives fine. But in the morning or anytime it starts kinda rough and takes some time for it to actually turn over and start, then it goes up to about a thousand rpm's and dies and continues that about 4 times then it'll finally idle at 800 like its supposed to? its cold natured, how can i fix this, or help it?
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Yes I have heard of it a few times on this site and it most often wiring harness related, bad branch out splices. Of course the PCM (ECM on earlier models) contains the ignition control module so it is also a suspect part.
has the engine coolant temperature sensor been checked to see that it has the correct ouput votage at the chart temps, if it is out of spec the engine can run lean and this would cause cold start issues, also what is the fuel pressure reading when key is shut off, does it drop rapidly? should never loose more than 5 PSI, if it does the fuel pump is defective, also a fuel filter will not cause hard start or rough idle, only overall loose of power, does it have that at anytime?
is it a V-6 or 4cyl. take it to autozone and have them retrieve the code...I have worked on all models of camrys...many problems can cause this like IAC valve(common on 4cyl) or timing is offset(very common on V-6). Transmission will not cause rough idle. Tacs on these models usually malfunction stemming from distributor cap/coil oil inside or just the tac itself. Hopefully this helps!!
If this happens only when the engine is cold or cool, I would suspect a coolant temperature senor that has lost its calibration. One way to check would be to have the engine controller scanned when the engine is cool then cold. The coolant temperature should be the same as the intake air temperature. If the readings are not close to one another, change the coolant sensor. The coolant temp sensor controls the fuel mixture when the engine is cold, normal or hot. Good luck, let me know. Regards,