944Hybrids: 924/944/968 and 928 V8 Conversions
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HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Noisy VSS and stalling???

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Noisy VSS and stalling??? Empty Noisy VSS and stalling???

Post  murrayg on Sat Jul 14, 2018 8:55 am

Hi all,

Early 944 / LS1 with TPC VSS kit. Car ran fine for 2 years...actually...car ran AWESOME for 2 years, now it has developed a stall when coming to a stop. Suspected a VSS issue and sure enough, heres what it looks like when plotted:
Noisy VSS and stalling??? 20180710

Any ideas why it's so noisy? What should the gap be from the sensor to the toothed wheel? Would this cause a drivability issue? Any comments?

Thanks,
Gord.

murrayg

Posts : 87
Join date : 2012-12-15

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Noisy VSS and stalling??? Empty Re: Noisy VSS and stalling???

Post  Hotrodz of Dallas on Mon Jul 16, 2018 4:30 pm

I set them at .040" clearance. Have you looked at the sensor and wheel? I've seen them get very dirty since they are close to the road in the 944. It's easy to get them covered in grease and dirt. I've had one that got hit by something and bent one of the teeth on the wheel. It made all kinds of weird driving issues.
Hotrodz of Dallas
Hotrodz of Dallas

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Noisy VSS and stalling??? Empty Re: Noisy VSS and stalling???

Post  matt889 on Fri Jul 20, 2018 8:27 pm

i found that my signal is clear if i twist the wires like real VSS/ABS wires and the gap i always used a 25cent...

matt889

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Noisy VSS and stalling??? Empty Re: Noisy VSS and stalling???

Post  murrayg on Thu Aug 23, 2018 4:22 am

I'm getting back to this......I need to replace the VSS sensor, everything else looks good. Does anyone know what sensor the TPC VSS kit uses? There is no part number on the sensor anywhere?Noisy VSS and stalling??? 20180810
Thanks,
Gord

murrayg

Posts : 87
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Post  sharkey on Thu Aug 23, 2018 12:58 pm

that looks like a c5 c6 corvette vss to me

sharkey

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Noisy VSS and stalling??? Empty Re: Noisy VSS and stalling???

Post  murrayg on Tue Aug 28, 2018 7:25 am

A follow up....problem resolved. I replaced the VSS and now VS on monitor is clean, AND, the car drives MUCH better. Lessons learned - Run a good VSS or not one at all (not recommended), but don't run one that is noisy! It caused all kinds of crazy drive-ability problems. The sensor included with the TPC kit is a popular GM sensor - part number 917-644 (NAPA 600-6224).

murrayg

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