So, as the woman explained in the thread above: It stalls out only when it's cold (well below freezing). Sometimes it will run and get up to temperature and then die. Afterwards it will not start again. Sometimes it won't start at all. When it dies the temperature gauge redlines and stays there until the outside temperature warms up considerably. Even if the engine is dead cold the temp gauge shows that it is redlined. It will turn over but not catch. The check engine light IS on, but the codes are completely unrelated to anything that could influence the temp gauge: p0122-TPS circuit low input; p0452-evap emissions pressure sensor switch low input; p1635-manufacture and controlled computer output circuit low. Most of these in my case have to do with an ethanol conversion (into a dual fuel vehicle) that shows a different compression than gasoline. Before you ask, YES, I have replaced the CTS and checked the connector, both are good. NO, the security light is not on. Being baffled myself, I have towed it twice to a great mechanic and both times it has started right up by the time I got it there. So, any ideas? I know this is a long shot, but the only temp sensor that has anything to do with outside temp is the intake air temp sensor-is there any possible way that it could malfunction enough to cause the engine to die (say, buy making the mixture far, far to lean)? Let me just reiterate, it runs great when it's warm outside.
Thanks for your help!
Thursday, January 24th, 2013 AT 2:44 AM