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Intermittent engine cut-out

12 messages, Last post on Oct 03, 2009 at 3:13 AM
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Desperately seeking advice on how to fix the cause of our 2000 Dodge Caravan's engine cutting out when coming to a stop light/sign, making a turn through an intersection and intermittently on the freeway with no warning. Problem just started this summer. This issue poses a danger and am afraid of being t-boned or rear-ended. There are no dashboard indicator lights lit, just RPM goes to zero. Have replaced the fuel filter...no improvement. Have taken it to AutoZone for a read and there was nothing on it. We've read on other blogs where folks have taken their Caravans to dealers and the dealer's just scratch their heads. No indicator lights, problem doesn't register on their diagnostic tools. We've also read where it could be the EGR, but have also read it's not the EGR. Other blogs have indicated it could be a problem with the Throttlebody. We can't afford to put it out of its misery and replace it with a newer vehicle so we need to fix the problem soon before we cause an accident.
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Replying to: dragon16 (Aug 30, 2009 11:24 am) It may be the MAS (Mass Airflow Sensor) that is causing the issue. I had a very similar problem with a Subaru Outback many years ago, where it would randomly stall (typically approaching or leaving an intersection). No CEL, no other symptoms. I wasted several hundred dollars on "diagnostics" with no success when one mechanic suggested it might be the MAS. I found a used one for relatively cheap, installed it, and never had that problem again. Now, here's the interesting thing.... about five years later, I gave that same MAS (the one I removed from my car) to a fella who had his go out. He cleaned it up (I think he took a carburetor cleaner to the sensor element) and it worked just fine for him for over a year. So, maybe yours just needs to be cleaned?
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Replying to: xwesx (Aug 31, 2009 9:42 am) I sprayed the throttlebody last night with trottle cleaner which seems to have helped, but it's too soon to tell for sure. I like your idea and will also try cleaning the MAS. Thanks for the tip! |
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Replying to: obelix2 (Aug 01, 2008 10:15 pm) |
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Replying to: dragon16 (Aug 30, 2009 11:24 am) 1. cleaned throttle where air comes in - helped a little 2. checked EGR valve, it could stuck open: disconnect the vac. tube from it (put something on the end of the tube to prevent vacuum leak). It will pollute, but if it stabilized then EGR is bad. That was my case - replaced EGR, runs good since.
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Replying to: levon21117 (Sep 01, 2009 9:02 am) Good luck. |
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Replying to: olds455 (Sep 21, 2009 11:37 am)
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Replying to: xwesx (Sep 21, 2009 12:04 pm) Murphy's law.... Every time I went to rescue the van, it started right up wehn I got it to my shop. I don't recall it ever cutting out going down the road. I do remember my buddy BEATING the dash wehn it would not start, an dit finally did start for him.
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Replying to: olds455 (Sep 22, 2009 10:57 am) |
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Replying to: olds455 (Sep 22, 2009 10:57 am) The Dutch AAA (I live in the Netherlands) checked everything they could think of, but couldn't find a clue why it didn't work. After an hour or so the mechanic called the helpdesk and they instructed the mechanic to remove the heating panel (just 4 screws) and unplug and plug the 2 plugs you find on the back of the panel. That did it! The reason: A bad connection (ground) gives the wrong signal in the computer. BEATING the dashboard MAY have had the same result! |
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