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Author Topic: Unstable idle J117  (Read 14521 times)
Anders Dinsen
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« Reply #15 on: May 01, 2005, 09:49:17 pm »

Water temp. sensor. I expect this can only be checked via one of those computer thingies? I think that is going to have to wait for now. However, as you suggest, it does seem to follow a logical course. I have recently had all the inlet manifold gaskets replaced so that is most likely ruled out. I appreciate your advice and suggestions. I have also left a post regarding fuel and would value your feedback on that, too. Cheers Anders.

No, it can be checked without computer. Measure the resistance over it. It must be something like 200 Ohms at 20 degrees. Higher resistance when warmer. The Haynes manual has the details about where to measure on the computer.

BTW: Is it a J63 or J117?

- Anders
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
Anders Dinsen
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« Reply #16 on: May 12, 2005, 08:12:49 pm »

Current status of my unstable idle is that I've replaced the fuel pump (because the old started failing) with no change.
I have also replaced the oxygen sensor (lambda sensor), also no change.

Next thing I'm going to look for is a small airleak. I can't hear anything.

:-)
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
Anders Dinsen
Administrator
YaBB God
*****
Posts: 2823



WWW
« Reply #17 on: February 22, 2007, 09:43:46 am »

I found that this is one of the most viewed topics on the forum, so I thought I'd give an update.

Generally my problem has been cured, and the last fix I did was to clean the rocker cover and specifically ensure that the crank case ventilation holes were clear.

So no vacuum leaks anywhere Wink

- Anders Cool
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'82 Murena 2.2 prep 142
'01 Grand Espace 24v
'08 Smart Fortwo 0,8 cdi
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