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-   -   Help- Knock sensor fault!! (http://forums.pelicanparts.com/101-projects-discussion-forum-bmw-3-series/180359-help-knock-sensor-fault.html)

dasfps 08-31-2004 02:54 AM
Help- Knock sensor fault!!
 
I just used the peake code reader on on my car and got the fault Knock sensor cyl 1-2!!.

Do I need to replace it or can there be other causes.
My car is a 98 318is and I do not hear pinging:confused:

dasfps 08-31-2004 06:30 AM
Someone please:(

Jeron 08-31-2004 06:59 AM
Since you seem to be in a hurry...

Until you find someone who can help, start searching the web. Your problem sounds familiar so I'm sure there is info on the internet about it.

Good luck.

BMWCowboy 09-06-2004 04:27 PM
May just be ~bad gas......and the knock sensor did what its suppose to do....clear the fault & see if it comes back~:)

dasfps 09-07-2004 04:37 AM
Cleared the codes and yep no new codes as yet :)

But now I cant seem to get it to rev freely beteween 4k and 6k, anything I should check??

dasfps 09-10-2004 04:58 AM
Bump

dasfps 09-10-2004 03:17 PM
bump :eek:

Jared at Pelican Parts 09-13-2004 02:38 PM
What happens when you try to rev it past 4K?

dasfps 09-14-2004 07:04 AM
Quote:
Originally posted by Jared at Pelican Parts
What happens when you try to rev it past 4K?
The car sruggles to get to 6K but if remove the vacuum to thr fuel pressure regulator and block it off at the manifold end the problem goes. In fact it runs very well??:confused:

Jared at Pelican Parts 09-14-2004 07:06 AM
have you checked the fuel pressure at all? Perhaps the regulator is on its way out....

dasfps 09-14-2004 07:13 AM
Thanks!

How do I check the fuel pressure? I have heard the Airflow meter can cause a similar problem. Is there a way to test it out?

Jared at Pelican Parts 09-14-2004 07:34 AM
put a fuel pressure gauge on it, check the operating pressure...


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