91 CQ erratic power loss

[Christopher Gharibo]

Just wanted to give everyone an update. 

As Tihol suggested, I checked the knock sensor  connectors on my CQ. They looked clean. 

I cleaned them anyway and the 30% power loss resolved. The car now feels turbocharged!

Too bad that I had already purchased a knock sensor. Oh well!

Thanks everyone!!


On Feb 6, 2015, at 3:00 PM, quattro-request at audifans.com wrote:

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Today's Topics:

  1. Re: [20v] '91 CQ erratic power loss (Tihol Tiholov)


----------------------------------------------------------------------

Message: 1
Date: Thu, 5 Feb 2015 15:47:23 -0800
From: Tihol Tiholov <t.tiholov at gmail.com>
To: "quattro at audifans.com" <quattro at audifans.com>
Subject: Re: [20v] '91 CQ erratic power loss
Message-ID:
   <CAFgi7Ab1AuX13jZc38hE2=7-V0+95pjH+Nso+3THDTRGQjP3MA at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

> 
> ... Hi Christopher,
> Before you change the knock sensor do clean the connectors!The knock
> sensor is a high impedance sensor, a crystal vibration sensor, there is no
> "working current" to keep the contacts clean.
> On my '91 Golf the MAF sensor needs the connector cleaned about every 1
> 1/2 to 2 year.
> ...
>> Here are the codes:
> 
>> 00524 knock sensor 1 (g61)
>> 00516 closed throttle (idle) position switch (f60)
> 
>> Looks like I should just change the knock sensor


No BTDT but recall more than once listers' advice to properly torque the
existing knock sensor for it to work well.


-- 
Tihol


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