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Current, 90 300CE, 92 400E (Sold 95 E320,70 250C, 91 190 2.6, 91 420 SEL, 95 300D, 87 TD)
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Discussion Starter #1
CODE 11 TN (RPM) signal defective ? What does this mean. Where do I start to look? I just got a cam position sensor and that took care of code 16 ..Thanks for your help Jayare and others. Is there an RPM sensor? PLEASE HELP!:crybaby2:
 

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'95 E300 DIESEL, '91 600SEL, '92 600SEL
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I think it either has to be the crankshaft position sensor or perhaps the sensor on the balancer pulley (if your engine has one).

Isn't this a report of the same or similar issue you were having???
 

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Current, 90 300CE, 92 400E (Sold 95 E320,70 250C, 91 190 2.6, 91 420 SEL, 95 300D, 87 TD)
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Discussion Starter #3
I think it either has to be the crankshaft position sensor or perhaps the sensor on the balancer pulley (if your engine has one).

Isn't this a report of the same or similar issue you were having???
CPS is already done! That took care of code 16 witch is the CPS. Yes this is a re-fresh post that took care of the 16 part but not the 11. Some one here has got rid of the code 11 somehow and I need your knowledge in return I will give sunroof knowledge.:bowdown:
 

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'95 E300 DIESEL, '91 600SEL, '92 600SEL
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You said the CAMshaft position sensor took care of code 16, so which is it??? CPS=crankshaft position sensor

In other words, did you replace the sensor on the front of the engine inside the head or the one on top of the bellhousing???

Also, assuming you have a CIS-E driven M104, do you have the pickup sensor above the crankshaft balancer???
 

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Current, 90 300CE, 92 400E (Sold 95 E320,70 250C, 91 190 2.6, 91 420 SEL, 95 300D, 87 TD)
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Discussion Starter #5
You said the CAMshaft position sensor took care of code 16, so which is it??? CPS=crankshaft position sensor

In other words, did you replace the sensor on the front of the engine inside the head or the one on the top of the bellhousing???

Also, assuming you have a CIS-E driven M104, do you have the pickup sensor above the crankshaft balancer???
I replaced the camshaft position sensor on the top driver-side front of the m104 twin-cam engine two Allen bolts and one wire ( looks like a cable TV wire )
 

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'95 E300 DIESEL, '91 600SEL, '92 600SEL
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Then I still stand and suggest you replace the CRANKshaft position sensor (CPS) in the bellhousing with a new one.

Still awaiting a response if your engine has a pickup sensor above the balancer.
 

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Current, 90 300CE, 92 400E (Sold 95 E320,70 250C, 91 190 2.6, 91 420 SEL, 95 300D, 87 TD)
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Discussion Starter #7 (Edited)
Then I still stand and suggest you replace the CRANKshaft position sensor (CPS) in the bellhousing with a new one.

Still awaiting a response if your engine has a pickup sensor above the balancer.
Sorry, Yes it does. and it does have actually two crank PS front and rear.Your saying that might be the problem?
 

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Most likely yes, although there is also a speed pickup sensor inside the AC compressor. BUT, I would do CPS first (do both) before anything else.

Just out of curiosity, is your belt drive system in good shape and has it ever been overhauled???
 

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Current, 90 300CE, 92 400E (Sold 95 E320,70 250C, 91 190 2.6, 91 420 SEL, 95 300D, 87 TD)
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Discussion Starter #9
Most likely yes, although there is also a speed pickup sensor inside the AC compressor. BUT, I would do CPS first (do both) before anything else.

Just out of curiosity, is your belt drive system in good shape and has it ever been overhauled???
The a/c was messed with by a mechanic. I'll check the connections first.
 
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