4Driver4

I have a symptoms a code consistent with a bad knock sensor. The ECU has stored 2143 and 2144 codes, indicating a problem with sensor 2. I have retorqued both sensors, so I'm resigned to buying a sensor from the stealer (while I generally do not refer to them as "stealers", they have certainly earned the title by pricing this part at over $200.

Anyway, I assume that sensor 1 is near the front of the engine and sensor 2 is toward the rear. Is this correct?

Does anyone have a source for a new sensor or a known good used sensor?

I'm a little leary since the sensor in the car is about a year old.

dassub

Weird, my knock sensor was $60 from a local VW place. That different than the one on the b3 90Q?

4Driver4

No idea. One the Coupe, sensor one and sensor two are different from each other.

Mike Desi

Hmmmm. I think they are the same except for the color.

BostonCQ

.. let me check tonight and let you know, I can send them down to you, they are no longer being used.

GinCQ

I read on this forum that you are supposed to be able to use the newer style ones, with the hole in the center, by using a through bolt to attach them but no one has confirmed that for me. I may be in the market for a pair soon. Timing is retarding between 3k-5k depending on the day. It did is yesterday when I was trying to accelerate onto the highway. Went home and there were no codes.

520

Both are the same except for the length of the wire and color on the female plug.

4Driver4

I might have a few newer style sensors around. Maybe I'll try one.

4Driver4

Boston? Coming to the Hartford GTG next week? We generally get a bunch of folks from Boston.

GinCQ

The newer style knock sensors are a lot cheaper than the ones in the 20v.