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`90 740 Wagon 700

uid 925's pic
posted by  mike w. on  Thu Jun 6 14:31 CST 2002
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last visit: Thu Sep 13 14:27 CST 2001
[RELATED]

Tommy:

Lots of good information in the 700/900 FAQ. There are several more things I'd look at on your car. First, make sure you don't have a vacuum leak. Check all the hoses and fittings. Next, I think I'd pull the plugs and have a look. Sooty and/or wet fouled, or do they look normal? If they're sooty and/or wet, you might have a problem with excessive fuel pressure, caused by a bad fuel pressure regulator. KP's original suggestion, that the cold start injector was giving problems, may have some validity. Pull it (not that easy to get at), energize the fuel pump but don't turn over the engine, and see if the cold start injector leaks. Also, there could be a problem with the coolant temp sensor. There is a resistance test (covered in Haynes) that you can try if you have a multimeter. If you remove the sensor for this test, be prepared for some spillage of coolant. This is an LH 2.4 engine, is it not? Is the check engine light on? Any codes stored?
--
Mike W., '79 242GT (my project car), '85 245DL (son's project car), '87 245 DL (my daily driver), '90 244DL (son-in-law's daily driver), '91 744T (wife's daily driver), '94 944T (daughter's daily driver), Largo, FL






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