Question about 1992 Audi 80

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Hard to start on cold mornings but starts fine when warm

Hi my problem is starting the car mornings only. The colder the morning, the harder the car is to start. It feels like it wants to start straight away but then its almost as if the fuel supply is cut off and it takes ages from then often draining the battery if its very cold. My husband sprays c.r.c into some fuel line thingee at the top of the engine by where the accelerator thingamabob moves when you push the accelerator down. Once he sprays this it starts and as long as we give the car a good run it will start everytime, especially when its warm. Thank you for any help.

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  • kez_ed May 25, 2009

    Thank you. I will try that. :)

  • kez_ed May 25, 2009

    Thank you. I will try that. :)

  • kez_ed May 25, 2009

    Thank you. I will try that. :)

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The cold start valve is not operating correctly. Either the engine coolant temperature sensor is bad or the cold start valve itself is bad. You can check the engine coolant temperature sensor by going to radio shack or any electronic store and purchase a 15k ohm or higher resistor. Disconnect the engine coolant temperature sensor (ECTS) harness. Bridge the 2 female spade connections in the harness with the resistor. Start the engine. If the engine starts you need to replace the ECTS. If the engine is still hard to start, you need to remove the cold start valve, (wear safety goggles, and whatever you do don't smoke) place the cold start valve in a glass and have someone crank the engine. You should see gas coming out from the cold start valve. If not take a ohm meter and measure the terminal at the cold start valve after disconnecting the wire harness. The meter should read 25 ohms. If it doesn't replace the cold start valve.

Posted on Oct 13, 2009

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Try a HOTTER spark plug. Also when was it last tuned up?

Posted on May 25, 2009

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Hi there
i have a rover 214 on a M plate
just that when trying to start in morning time there's no choke on it have to rev it till warmed up
friend of mine says its the ..........cold start valve.......
lol could u tell me where it is as i dont no much on cars
thanks so much alison :)

Posted on Dec 20, 2009

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