SCT chip failure? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 07-27-2005, 07:47 AM Thread Starter
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SCT chip failure?

Hope I'm not jumping the gun starting a thread here, dosn't seem like anyone else is...

I'm getting a custom chip burned on my '87 SD stang using the SCT system. The tuner and I were making progress getting the car running last night but one thing that he couldn't explain was that the fuel pump would stay running after I shut off the car. If we pulled the chip out and turned the key on the fuel pump would run 2-3 seconds and shut off(like it should). The chip is reading failure(red LED is on) but it allowed many changes to the EEC and the car runs a lot better. Any of you tuners come across this problem before?
Thanks


'87 GT: Summit LT's, Flowtech O/R X-Pipe, Magnaflow Cat-Back, 3.73's, Walbro 190lph, Steeda Full Length Sub Frame Connectors,TFS Street Heat Performance Package(Stage 1 cam, T.W. Heads, S.H. Intake) PP 70mm Throttle Body & Spacer, FRPP 30lb Injectors, TFS 1.6 Roller Rockers, Holley AFPR, SCT Custom Chip...still Speed Density

300 RWHP(@102*F, 60% Humidity on Dynojet)
324 RWTQ
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post #2 of 4 Old 07-28-2005, 06:27 PM
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it does sound like a possible chip problem have the tuner or you can even call sct, I am confident they will stand behind it.


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post #3 of 4 Old 08-20-2005, 11:06 PM
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There was a similar thread on this in the General Mustang Tech Forum:
https://www.corral.net/forums/showthread.php?t=688069
Is it possible that improper chip tuning can damage the EEC?

1988 GT, 57k mi, Orig Owner
ProCharger P600B, FRPP Headers, Flowmaster F2, 3G Alt, Mk8 Fan/DCC, 3.55's, Prog Springs, ST Brace, G/Trac Bar, Subfrms, UCA, LCA, FCA, Tokico 5-ways, C/C Plates, CSA 16x8, Bridgestone RE760 Sport 225/50R16, Megasquirt DIYPNPF60, LC2 WBO2, C&L76mm MAF w/LU47's
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post #4 of 4 Old 08-25-2005, 02:54 PM Thread Starter
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Here's somewhat of an update...

The fuel pump problem is gone. The light is off. The tuner concluded that he had a corrupt file. He started over with a new file, copied the settings and burned the new program onto the "old" chip(that showed failure). The fuel pump operated correctly and the "failure" light went off.

'87 GT: Summit LT's, Flowtech O/R X-Pipe, Magnaflow Cat-Back, 3.73's, Walbro 190lph, Steeda Full Length Sub Frame Connectors,TFS Street Heat Performance Package(Stage 1 cam, T.W. Heads, S.H. Intake) PP 70mm Throttle Body & Spacer, FRPP 30lb Injectors, TFS 1.6 Roller Rockers, Holley AFPR, SCT Custom Chip...still Speed Density

300 RWHP(@102*F, 60% Humidity on Dynojet)
324 RWTQ
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