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kaylabol
New User
Feb 23, 2007, 9:55 PM
Post #1 of 7
(1667 views)
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I have a 1995 Volvo 850 Turbo. I was told that the reason the car wouldn't start was because it needed a new Electronic Control Module. We put a new one in and the car does exactly the same thing. It will crank and crank and crank but it won't start. It is getting gas, but we are not getting any spark. Can anyone help me please.
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aarongates25
User
Feb 23, 2007, 11:18 PM
Post #2 of 7
(1662 views)
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Yes check the distributor, spark plugs, and the wires....
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kaylabol
New User
Feb 24, 2007, 12:22 PM
Post #3 of 7
(1652 views)
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Hi, we have done all of that. Do you have any other suggestions?
Thanks
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steve01832
Veteran
Feb 25, 2007, 1:53 PM
Post #4 of 7
(1644 views)
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You have to check fuel pressure with a guage, check for spark at the plugs, check injector pulse with a noid light. Now we have to know what system(s) are not working. If all of the systems are working, more than likely we have a sensor problem, wiring problem, or a compression problem (timing belt). Start there and post back with the results so we can go further.
Steve
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kaylabol
New User
Apr 13, 2007, 7:39 PM
Post #5 of 7
(1567 views)
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Hi, I am back. We are still unable to figure out why this volvo won't start. We have checked everything that you stated. Please help if you can.
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PTEC
User
Apr 17, 2007, 5:33 AM
Post #6 of 7
(1550 views)
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hehe you might've flooded the cylinder with fuel while cranking it all those time before new ECM.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Apr 17, 2007, 10:14 AM
Post #7 of 7
(1549 views)
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Hmmm? You have spark and fuel and no reaction at all?? Easy on your starter and let it cool or you'll just need one of those and that isn't the problem.
Flooding can be the problem. Some plugs will soak in fuel and additives to the porcelain insulator to center electrode and it will NOT dry out with just air dry and becomes the path of least resistance for the spark so no real spark is jumping the electrodes out of your sight and they are fussier under compression.
The best fix for that is take all the plugs out and leave them out for day. New spark plugs are best but you can heat up the electrodes and porcelain with a regular propane torch holding the plug by the metal only where the spark goes in. Whole plug will be hot so let them cool on a totally fireproof surface for quite a while. If that works the engine may still not run well right away but keep it running and it will clear itself up as it warms up.
That's a guess for when everything else seems right, T
PS: Use only exact specified spark plugs if you replace them.
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