Toxie Posted February 24, 2004 Report Share Posted February 24, 2004 I have a 1989 Prix with a 3.1 That has new wires, plugs, ing. module. it has been hard to start the last month or two, more so when warm. I just have to really crank it in order for it to start, when it starts it runs fine with no missing or any other problems. It has never been hard to start before and I am wondering if there is a sensor or something that may be going bad? Maybe some sensor that controls the choke depending on the temp or something. Does anyone have any ideas where I can start to troubleshoot this? Thanks in advance! Toxie Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted February 24, 2004 Report Share Posted February 24, 2004 Are you getting an SES light after it starts? Quote Link to comment Share on other sites More sharing options...
mfewtrail Posted February 24, 2004 Report Share Posted February 24, 2004 It has a problem starting when the car/engine is warm or when the temperature is warm out? Just trying to get more specifics here, I've seen quite a few cars that have had a slightly rough idle (not even noticeable sometimes) and hard time starting after being run and it turns out to be a bad fuel pressure regulator. Look at the vac line diagram and determine which vacuum line goes the fuel pressure regulator, pull it after the car has been ran awhile and check to see if gasoline is in that vacuum line, if it is, the fuel pressure regulator diaphram has failed. Quote Link to comment Share on other sites More sharing options...
Slade901 Posted February 24, 2004 Report Share Posted February 24, 2004 I would say try swaping the fuel pump relay with another relay. If you car is equipped with two radiator fan then try to swap out the 2nd fan. If not, get another relay. Quote Link to comment Share on other sites More sharing options...
Toxie Posted February 26, 2004 Author Report Share Posted February 26, 2004 Thanks for the info guys. there is no SES light on. it is somewhat harder to start when the engine is warm, it doesnt seem to matter what the outside temp is. even when the engine is cold though it just doesnt start right up like it should. after I get it started running though it idles and runs like a top with no problems. Thanks again! Toxie Quote Link to comment Share on other sites More sharing options...
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