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1994 Volvo 940 Turbo difficult to start when cold. Unplugging air mass meter let’s it’s start 900 1994

posted by  Mr brick driver on  Fri Jan 20 22:07 CST 2023
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last visit: Thu Jun 26 04:12 CST 2014
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I have a 1994 940 Turbo wagon. I bought the car in October and have not done a whole lot with it. I did install new plug wires, cap and rotor. When I first got it it started okay but did have a check engine light on. I have not had a chance to look into it. Lately it has had a difficult time starting and the only for sure way for me to get it to start is to unplug the air mass meter start it let it one for a couple of minutes and then plug the amm back in. It is then fine for the rest of the day running errands. Next morning same thing. I have plugged in a known ignition stage unit and tried both the coil and radio suppression relay in my 1992 740 turbo. I ran the code on it and got 113 which I think pointed to wiring for o2 sensor. I also checked the tps and was not able to make the one lights stop blinking when opening the throttle plate.

I was going to check the ect sensor. Any tips for getting to it? Thanks.






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