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Old 01-11-2019, 12:13 PM
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andrewwynn andrewwynn is offline
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Join Date: Jun 2015
Location: Racine, WI
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What did you do to / for your E53 today??

Quote:
Originally Posted by Bucephalus View Post
Changed the spark plugs and sea foamed the MAF.


Test drive OK, but it idled a little rough at a traffic light.


Got home and washed the car, then it wouldnt start...lol


Got a circuit A cam pos sensor code (intake), so I ordered both.


Then the car started fine, but gonna install new sensors anyway.


My car had a flaky cam shaft sensor when I bought it. Took me a month to figure out what the problem was because I never got a specific CPS error just random misfire etc and ran perfectly excerpt more and more frequently it would stall on throttle off eg pulling into parking stall or into the middle of an intersection.

Either use the old one as a fish tape or just re route the new one over the top of the intake. It took the majority of the time to run the wire vs everything else on that repair.

By both you mean also exhaust sensor? They seem to be much more robust. Replaced both mine and wife's CPS intake about 130,000 miles but at 165,000 no indication of the exhaust CPS failing yet. Also rarely hear of forum member needed to replace. Maybe because the shorter wires who knows.
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)

Last edited by andrewwynn; 01-11-2019 at 12:20 PM.
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