1995 Cobra with weird multiple spark issue only with spout connected

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Dec 29, 2024 | 12:49 PM

#11

Cumstang59

Thread Starter

Joined: Dec 2024

Posts: 11

From: FL

Quote:

Originally Posted by TrimDrip

I don't think that connector does anything. Doc would know

I'm not sure either. Autel couldn't tell me much save for the vehicle wasn't compatible even thought it is listed as compatible.

Dec 29, 2024 | 12:57 PM

#12

TrimDrip

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Joined: Jan 2009

Posts: 3,288

From: S. Cal.

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Last edited by TrimDrip; Jul 18, 2025 at 04:33 PM.

Dec 29, 2024 | 01:04 PM

#13

TrimDrip

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Joined: Jan 2009

Posts: 3,288

From: S. Cal.

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Last edited by TrimDrip; Jul 18, 2025 at 04:33 PM.

Dec 29, 2024 | 01:08 PM

#14

TrimDrip

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Joined: Jan 2009

Posts: 3,288

From: S. Cal.

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Last edited by TrimDrip; Jul 18, 2025 at 04:31 PM.

Dec 29, 2024 | 01:15 PM

#15

Cumstang59

Thread Starter

Joined: Dec 2024

Posts: 11

From: FL

Quote:

Originally Posted by TrimDrip

that is a 94. If you have the connector, I would try it there

https://www.youtube.com/watch?v=SpJAWSCfL9g

I used to be able to jump the pins fine. It doesn't work anymore. I think that's another reason the mechanic thought it was the computer.

Dec 29, 2024 | 01:27 PM

#16

TrimDrip

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Joined: Jan 2009

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From: S. Cal.

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Last edited by TrimDrip; Jul 18, 2025 at 04:31 PM.

Dec 29, 2024 | 01:29 PM

#17

Cumstang59

Thread Starter

Joined: Dec 2024

Posts: 11

From: FL

Quote:

Originally Posted by TrimDrip

but yeah, the computer uses spark to control the idle...That idle air control (IAC) controls idle too, but it is way quicker for the ecm to advance or retard timing, than it is to move that plunger on the IAC in and out...

If you really want the ability to datalog that car, you need to find a moates quarterhorse....It can see every pin on the ecm pretty much...I could see and change 524 scalers, 84 functions, and 19 different tables with the moates quarterhorse

Wow, I just went down a rabbit hole looking at Tweecer and megasquirt. Thanks for the info. Those are definitely worth looking into.