Question about 1997 Volvo 850

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Engine management car shuts off while driving whenever the car gets hot, and takes a long time to start when hot or cold.

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The fuel pump is the most common reason for stalling, but without some diagnosis, this is just a guess. The fuel pump relay may also be failing. You'll need to check the fuel pressure and power to the fuel pump when the car wont start to know for sure.

Bret
RepairPal.com

Posted on Nov 18, 2008

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Engine suddenly over heated, no hot heating in car


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1992 Lexus S300 Automatic. Car drive perfectly fine. Problem is sometime when I start the car, it should idle and shut off within 5 seconds. Doesn't happen all the time, just sometimes. Sometimes it d


Without any other symptoms it is hard to diagnose; could be water in the fuel or a plugged up air filter, that effects idle first, take it out and see if it idles fine, if so get a new one. Take out fuel filter and dump in a glass bowl and analyse for water... get a new one... Is it different when the engine i hot or cold?

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Does the 2002 regal have a cold motor sensor Car hard to start when cold motor (in the morning )


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Is the check engine light on?

When was the last time you had a tune-up? if recently what brand of plugs where used?

Have you noticed any hard start issues after a hot soak? A hot soak would be driving the car until fully warmed up, shutting of the engine for approximately 15 to 20 minutes, and then starting the engine again.

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New compressor!!!


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Oct 04, 2009 | 2007 Mazda 3

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Intermitant temperature


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Jan 20, 2009 | 1986 Toyota 4Runner

1 Answer

Doesnt want to start


possibly engine temp sensor. If the sensor is malfunctioning, it could be telling the engine management that the engine is hot, when infact its cold. This would cause the management system to lean the fuel mixture off, not giving it the rich mixture needed to start a cold engine. After a few turns, its built up a bit of fuel in the cylinders which richens it enough to get it running eventually. Any decent garage can put a computer on your car, and look at the live data. They will be able to see what the sensor is reading in relation to the engine actual temp.

TL

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