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2 blown IC modules later...


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New malibu owner - 2001 Sunsetter LSV 23 w/ monsoon 325, electric fuel injected w/ 130 hours.

First time out ran but rough idle. Next time would not start.... Drained gas, put new fuel filter and plugs. Got it started but 100 yards out of the harbor gave it gas and it died (towed in by a mastercraft...) Dealer put a new ignition coil and ignition control module. Lake tested, ran well.

Next time out - started smoothly, ran for a couple of hours. Next day, same thing..started , idled rough and died when i gave it gas. Back to the dealer for another coil and ic module (this one from Malibu as it was matched (?) .....)

Picked it up on friday and ran it for a couple of hours. idled rough at the end. Today, threw it in the lake, started but rough idle, died about 100 yards out of the harbor when i gave it gas. Won't start now....

ANY THOUGHTS???? My dealer is perplexed......

Thnks for your help....

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I had problems with my ignition control module last year in my 2002 21LSV. Died in the water with no spark. After testing a bunch of things (coil, plugs…etc), I got a new ignition control module from a local Chevy garage and that fixed it right up. When talking to the guys at the Chevy garage they said that they had some major problems with these units failing in the past.

Maybe your dealer had some old stock that had some issues? If your dealer is not warrantying this (they should be if you just bought it from them??) , run down to a chevy garage (or local auto parts store) and get a ignition control module for a 1999 Chevy Tahoe with a 5.7L. Should be around 50 bucks, and take you all of 10 minutes to replace.

I give you instructions if needed.

Chad

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  • 1 month later...
I had problems with my ignition control module last year in my 2002 21LSV. Died in the water with no spark. After testing a bunch of things (coil, plugs…etc), I got a new ignition control module from a local Chevy garage and that fixed it right up. When talking to the guys at the Chevy garage they said that they had some major problems with these units failing in the past.

Maybe your dealer had some old stock that had some issues? If your dealer is not warrantying this (they should be if you just bought it from them??) , run down to a chevy garage (or local auto parts store) and get a ignition control module for a 1999 Chevy Tahoe with a 5.7L. Should be around 50 bucks, and take you all of 10 minutes to replace.

I give you instructions if needed.

Chad

seems i have the same problem, i assume the distributor cap and rotor would also be compatable if i asked for one for a 1999 Chevy Tahoe with a 5.7?

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