More Questions -- 88 5KSQ
Alexandru Hobeanu
alex_hobeanu at yahoo.com
Thu Aug 7 18:56:07 PDT 2008
The resistance between terminals 2 and 3 it’s not linear, it has a very strange variation ! If you want to be sure it works fine try to measure the output voltage at pin 2, related to ground ( pin 3 ). For a 5V reference input between 1 (positive) and 3 (ground) the output (pin 2) will be around 0.15 V for the rest position and 4.5 V for the highest position. Moving gently the sensor plate look for variation of the output voltage and check for interruption (zero volts output). Also check your part number, should be 034.133.353C to be sure we are talk about the same part.
--- On Fri, 8/8/08, b1biker at aol.com <b1biker at aol.com> wrote:
From: b1biker at aol.com <b1biker at aol.com>
Subject: More Questions -- 88 5KSQ
To: quattro at audifans.com
Date: Friday, August 8, 2008, 2:53 AM
The saga continues. Today my mechanic told me that the position sensor mounted
on the side of the MAF meter is bad; he says that it should have linear
resistance but mine simply goes open. He says that it does not appear to be a
replaceable part. He also said in all of his years of working on CIS systems he
had never encountered anything to make him check this component and does not
really know how critical it is to the operation of the vehicle. I hope that
someone has information on how critical this posiotion sensor is. I would also
appreciate any infomation on the years/models?that have a MAF that is
interchangeable with mine. Once again the car is a 88 5KSQ; this is a normally
aspirated car. As always your thoughts suggestions are greatly appreciated.
Gary Meier
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