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rich bergin
Joined: 02 Oct 2009 Posts: 40 Location: Morgan Hill
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Posted: Tue Jan 26, 2016 4:00 pm Post subject: my 931 farts |
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why does my 931 back fire when I shut it down?
I thought I was supposed to let it idle a bit before I shut it off but it usually back fires when I do. It seems when I stop and shut down asap it doesn't. |
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morghen

Joined: 21 Jan 2005 Posts: 9095 Location: Romania
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Posted: Tue Jan 26, 2016 4:34 pm Post subject: |
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well what do you feed it?  _________________ Supercharger and EFI kits
https://www.the924.com |
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ideola

Joined: 01 Oct 2004 Posts: 15550 Location: Spring Lake MI
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Posted: Wed Jan 27, 2016 12:53 am Post subject: |
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Most likely there is a fuel mixture issue, fuel mixture is probably set too rich. Combination of doing a CIS test so you know what's going on with hot control and system pressures, plus a sniffer test or wideband AFR gauge will tell the story. _________________ erstwhile owner of just about every 924 variant ever made |
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rich bergin
Joined: 02 Oct 2009 Posts: 40 Location: Morgan Hill
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Posted: Thu Jan 28, 2016 12:46 am Post subject: farts |
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It is winter so am feeding it broccoli, Brussels sprouts and a little cabbage.
Dan I new it was gas. Now if I only new what I was doing.
BTW do you ever sleep? |
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Kenodog

Joined: 25 Jun 2003 Posts: 2669 Location: Vancouver,B.C.
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Posted: Thu Jan 28, 2016 2:06 am Post subject: |
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Leaky injector(s) ?
Leigh _________________ 1979 Euro 931, Olive
1981 931, Sabine
1991 Ford Ranger XLT 4x4, Ricky
1996 Ford E-350 ex-FedEx Van
2014 Mazda CX-5 (Kinderwagon)
2019 KTM 790 Adventure
2024 KLX300
2024 KLX140 |
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