Question about 2000 Chevrolet Impala

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Hi. My problem is that I'll be driving down the highway at 90 km/h and my car shuts down. I'll then pull over and shut the ignition off and start it again and continue on my way. I've had it in the shop, they tell me that there are no codes showing to indicate the problem.In the last six months I have had the oil changed, the resonator replaced, a new battery, and a fuel filter. Could the problem be the mass air flow sensor?

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It sounds like your loosing electrical power going to the ecm or DIS mas air flow sensor will throw a code but most of the time electrical power losses won't because it thinks it's being shut off... As far as where to look Gm has some fuseable links that have cuased connection issues like this... It's not going to be easy to find....Sorry...

Posted on Sep 24, 2009

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Check the ignition switch. if u have a lot of keys or keychains hanging with the key that starts your car it can pull on the ignition switch causing the connection to not be so good and the key will start to slide out a little bit. that could explain the car stopping and then starting when you start it again.

Posted on Jan 30, 2012

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My 2001 had 4 batteries fail since new, (al ac delco's)Replaced under warranty pro rated. the batteries loose connection internally, the problem starts out intermitent from hitting hard bumps car will die then restart, until not at all, lights will flicker security will flash while your driving. By a maxx battery from walmart. Delco batteries are ****. I also had the body control module fail but when it whent it whent fortunately under warranty and in my driveway. If you have a delco battery I would replace that first

Posted on Jul 30, 2010

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