 throttle glitch |
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| mikedsilva |
 Oct 17 2015, 11:27 PM
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#1
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Member  Group: Members Posts: 90 Joined: 23-February 15 From: Australia Member No.: 18,462 Region Association: Australia and New Zealand  |
I have a seemingly random throttle glitch every so often.
Engine is a 2.0 with stock efi. I read somewhere that the circuit board on the throttle body can sometimes be the cause. Has anyone here changed their board and with good results? Here is a photo of my circuit board.. there are some marks on it.. reckon it's worth changing? Mike (IMG:http://www.914world.com/bbs2/uploads_offsite/i1260.photobucket.com-18462-1445146064.1.jpg) |
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| euro911 |
Oct 18 2015, 03:22 AM
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#2
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Retired & living the dream. God help me if I wake up! Group: Members Posts: 8,849 Joined: 2-December 06 From: So.Cal. & No.AZ (USA) Member No.: 7,300 Region Association: Southern California 
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Mike, you can try very lightly burnishing the contacts and making sure there's enough tension on the wiper arms to hold the contacts against the circuit board traces. Believe it or not, standard 20# bond printer paper works pretty well, without removing the plating on the contacts. (I think they're plated with rhodium IIRC) (IMG:style_emoticons/default/confused24.gif)
Also lightly clean up the traces on that board too (a low-abrasion Scotch-brite pad works good). It's a good idea to have a cleaned-up spare ready to pop in, so maybe you can post a WTB ad in the classifieds for one ... there are some spare ones floating around. (IMG:style_emoticons/default/popcorn[1].gif) |
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| bdstone914 |
Oct 18 2015, 03:57 AM
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#3
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bdstone914 Group: Members Posts: 4,517 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
A pencil eraser also works for cleaning up the board. I have spares if you need one.
Bruce |
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| GaroldShaffer |
Oct 18 2015, 02:08 PM
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#4
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You bought another 914? Group: Benefactors Posts: 7,621 Joined: 27-June 03 From: Portage, IN Member No.: 865 Region Association: None 
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QUOTE(bdstone914 @ Oct 18 2015, 04:57 AM)  A pencil eraser also works for cleaning up the board. I have spares if you need one. Bruce (IMG:style_emoticons/default/agree.gif) done that a few times myself. |
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| mikedsilva |
Oct 18 2015, 06:35 PM
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#5
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Member Group: Members Posts: 90 Joined: 23-February 15 From: Australia Member No.: 18,462 Region Association: Australia and New Zealand |
Really? So no need to buy a new board just yet... Will give it a go for sure.
Sorry about posting in the wrong forum too.. how can I get this moved to garage?? |
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| euro911 |
Oct 18 2015, 07:55 PM
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#6
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Retired & living the dream. God help me if I wake up! Group: Members Posts: 8,849 Joined: 2-December 06 From: So.Cal. & No.AZ (USA) Member No.: 7,300 Region Association: Southern California
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No worries, mate (IMG:style_emoticons/default/beerchug.gif) (IMG:style_emoticons/default/beerchug.gif)
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| Mikey914 |
Oct 18 2015, 09:32 PM
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#7
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The rubber man Group: Members Posts: 12,659 Joined: 27-December 04 From: Hillsboro, OR Member No.: 3,348 Region Association: None
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Another technique is to bend the contact slightly to make a new path.
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