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Old 06-25-2010, 06:54 PM
emccabe11 emccabe11 is offline
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Question 93 APV 3.8 ECM Failures - HELP!

My 93 APV 3.8 with 78,000 miles on it has had 3 ECMs fail in the last six weeks. When they fail I have no A/C and a high speed miss. Service tech is stumped.
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Old 06-26-2010, 09:13 AM
ontariodave ontariodave is offline
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Re: 93 APV 3.8 ECM Failures - HELP!

it is your relay for your high speed it is on your fire wall.
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Old 06-26-2010, 09:14 AM
ontariodave ontariodave is offline
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Smile Re: 93 APV 3.8 ECM Failures - HELP!

it is your relay for your high speed it is on your fire wall.
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Old 06-26-2010, 09:16 AM
ontariodave ontariodave is offline
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Re: 93 APV 3.8 ECM Failures - HELP!

relay on your fire wall fro high speed
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Old 06-26-2010, 12:27 PM
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LMP LMP is offline
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Re: 93 APV 3.8 ECM Failures - HELP!

Apart from a/c not operating and high speed miss ..do you mean heater blower not having high speed....or engine missing at high speed ? ..... what makes you think the ECM is shot? Any other symptoms ?

....If all there is is about the a/c and heater blower, do verify blower high speed relay.www.avigex.ca/xport/heaterrelay.jpg as suggested.
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