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Intermittent spark 

 

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 Post subject: Intermittent spark
Posted: Thu Sep 13, 2018 5:03 pm 
Oompa Loompa
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Age: 54

Posts: 27

Joined: 7th May 2015

Ride: EL XR6 manual 185RWKW 3.7diff

Location: adelaide
SA, Australia

Hello everyone

I’ve got a Ford EL XR6 manual under load it performs great. As soon as I try to light cruise it continuously stumbles and misfires, then you apply some throttle and it performs great as soon as you back off it’s crap.

I had it dyno tuned and the guy said it’s definitely not in the tune or the fuel system, he said it’s definitely spark related.

Anyone come across this problem
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 Post subject: Re: Intermittent spark
Posted: Mon Sep 17, 2018 2:41 pm 
Technical Contributor
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Posts: 507

Joined: 13th Jul 2013

Location: Campbelltown
NSW, Australia

He's not likely to blame the tune is he -scan for codes -was it playing up when he did the tune.
Check for play in distributor - check rotor and cap and verify carbon brush is in the cap.
How old are the plugs and what gap .
Have injectors been cleaned.
Have you checked for vacuum leaks.
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