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2.7 won't crank but no start.

1077 Views 2 Replies 3 Participants Last post by  Ronbo
I have had this issue for a while. It will start, drive, shut off and not restart till when the hell it wants to. decent replaced pcm and starter. Battery and cables appear fine. It cranks just fine currently stuck on highway because it died and wont start. 99 concorde lx. 2.7 50,000 on motor 175 on body. Fairly new is alternator plugs wires fuel pump power steering pump and pulley serpentine belt. any advice or tips to get it going again pretty quick would be much appreciated like I said I'm stuck on the side of the road at the moment
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I'm thinking this might be classic case of bad cam position sensor - they can get intermittent like you described.

Question: Has your cruise control been acting strange lately in that it will randomly turn itself off and not work again until re-start? The reason I ask is that it has been observed that the problem with the CC turning itself off just prior to the cam position sensor getting intermittent and eventually failing. Somebody on the 300M Enthusiasts Club forums made that observation a few years ago, and after he did, others, including myself, recalled having had that sequence of events happen. If you haven't had the CC problem, it doesn't mean the sensor is not bad, but if you have had unexplained problems with the CC in the recent past followed by these cut-off episodes, it's almost guaranteed that the cam position sensor is bad.

It is recommended to replace the crank position sensor at the same time. Many suggest getting the sensor from the dealer rather than in aftermarket.
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^^....x2 on a Dealer Only CPS.
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