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no spark!!

 
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Old 12-09-2007, 02:06 AM
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no spark!!

good icm new coil wires plugs ckp and tdc sensors ohms out ok . im thinkin bad ecu



please help
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Old 12-09-2007, 10:19 PM
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Possibly. But check the simple things first. Plugs, earths, etc. Then take it to an auto elec.
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Old 12-09-2007, 10:57 PM
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all grounds ok what about cylender position sensor what should the ohms be on it my manual dosent say it just says if its bad you must replace the dist.
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Old 12-10-2007, 11:45 AM
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Does your car give you any codes prior to start up? I'd say have your check engine lights coded and start there.
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Old 12-10-2007, 04:30 PM
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hmm pull off the ditributor cap and make sure the rotor button is spinning, you could have poped the t belt which wouldnt let the cams turn over which wouldn't give you any spark! it's happened to me!! i even went through everything distributor, cam sensor, plugs, wires, changed the ecu, and even wound up checking continuity on the wires going into the Distributor from the ecu, then i pulled the d cap off and got my buddy to turn the car over and the botton wasn't spinning, so i pulled the VC off and and neither of the cams were spinning! but the t belt was still on, it wound up shreading the teeth off of the t belt around the crank gear..
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Old 12-10-2007, 06:32 PM
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no codes at all button is spinning i have continuity on all wires MSD spark test is ok and is getting fuel im lost
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Old 12-10-2007, 06:49 PM
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have you tried pulling out the pugs and grounding them off to see if the plugs themselves were sparking, if all else fails put the motor at TDC and make sure your timing marks are lined up, incase it jumped time
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Old 12-10-2007, 06:52 PM
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no fire to the plugs. ok heres what happened it was running and i pulled off o plu wire and it died and never started since.
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Old 12-10-2007, 06:56 PM
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hmm... did you change out distributors?
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Old 12-10-2007, 06:57 PM
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no thats why i asked about the cylender position sensor
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Old 12-10-2007, 07:04 PM
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oh ok, i dont know what the ohms are for the sensor but if that was bad it would put up a CEL in most cases but sometimes not, do you have any friends with a 5th gen that you could pull the distributer off of theirs and try it on your car?
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Old 12-10-2007, 07:08 PM
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no i wish i did its like 200 dollars. im having the car towed to Tacheyon performance ill let you know what they tell me
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Old 12-10-2007, 07:19 PM
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haha yeah i thats why i like having a more than 1 3rd gen because the distributors for these B21s is like 350
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Old 12-13-2007, 10:12 PM
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it was a bad icm and it fried my ecu
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