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Thread Title:

Sensor issues?

Created On Sunday February 21, 2016 19:01 Diesel Talk
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Joined: Jul 2010

Note Sunday February 21, 2016 19:01 View thread in raw text format
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I have a 94 Volvo with a Detroit 12.7 rebuilt and put in a Volvo truck supposed to have an 11 liter. Engine has only 300,000 miles on it and gets great fuel mileage. Truck runs pretty good EXCEPT it has been shutting off on me while driving, not on idle. It also has another new problem, it is now revving full throttle 2100 RPMs on me, this problem also does not occur at idle, however now the truck is also stumbling at idle, almost shutting off, but not and then running perfectly after it happens. In both cases I have to shut the truck off and turn it back on to get it to run properly. The problems occur with no pattern, I would say once a day in frequency. Also I should mention that cruise control stopped working at the same time the engine started shutting off and has not worked since then. This was one year ago.

I used a sensor scan gauge and these codes it provided today when both problems occurred:
28 Low voltage to air intake sensor
43 Low coolant sensor
53 Non volatile memory failure

Do these sensors seem like they could cause these problems? Thanks

Edited: Sunday February 21, 2016 at 19:38 by Canyon53
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