[Shotimes] Bad Knock Sensor?

[Carl Prochilo]

Tony,  I think that people get intimidated by doing this test for some
reason.  When I set out to do it the first time, it took me several
attempts to get the sequence of tasks correctly even though the procedure
was quite explicit.  The one issue that the SHOTIMES FAQ had, and I
provided comments on it, was that the throttle blip needed to be in excess
of 4K RPMs.  My guess about the overdrive on/off is that it is the last
item in the sequence since it was probably easiest when writing the
diagnostic program to just piggyback on top of the MTX test.  So my belief
is that the sequence of tasks does matter.
-- 
Cheers,
Carl Prochilo
1992 Ultra Red Crimson

Tony Fratzke said:
> At the very end i also got a 538 Operator error (dynamic response /
> cylinder
> balance tests) when trying to run the cylinder balance test, but i assumed
> taht was because i didn't give it enough gas. Since it's an ATX, does it
> matter when i turn on and off the overdrive?  i usually do that first,
> turn
> the wheel each way, tap the brake, and then hit the gas. Sound like i'm
> doing it right?
>
> Thanks again!
>
> Tony
> 93 ATX
>
> ----- Original Message -----
> From: "Steve Weinrich" <stevwein@swbell.net>
> To: "SHOTiimes" <shotimes@autox.team.net>
> Sent: Wednesday, December 10, 2003 5:30 AM
> Subject: Re: [Shotimes] Bad Knock Sensor?
>
>
>> KS won't cause a high idle.
>>
>> High idle is usually caused by a bad IAC, a partially stuck open
>> throttle
>> plate, or a malfunctioning TPS>  The IAC is the most common.
>>
>> The KS code usually is caused by not hitting the throttle hard enough
> during
>> the goose test.
>>
>> If you are not experiencing knocking or pinging while driving,
>> especially
>> under load, the KS is probably working fine.
>>
>> Steve
>>
>> ----- Original Message -----
>> From: "Tony Fratzke" <shotimes@holybuckets.com>
>> To: "SHOTiimes" <shotimes@autox.team.net>
>> Sent: Tuesday, December 09, 2003 11:09 PM
>> Subject: [Shotimes] Bad Knock Sensor?
>>
>>
>> > Haven't posted in a while guys, guess i've been out of the loop.
> Anyways,
>> > refresh your memories, i've got a 93 ATX.  Started getting CE lights
>> and
>> high
>> > idle so decided to pull codes.  I got 225 - Knock sensor (KS) not
>> sensed
>> > during dynamic response test.  Bad knock sensor? How's the replacement
> of
>> this
>> > thing if so? It sucks doesn't it?  Could this be related to my high
>> idle
>> > problems?  Any info is greatly appreciated.  You guys have helped me
>> countless
>> > times and i am very thankful for your help!
>> >
>> > Tony
>> > 93 ATX
>> >
>> >
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