Backfiring 6.4 - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 05-27-2010, 08:45 PM Thread Starter
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Backfiring 6.4

Guys I need help. We've got a customer that did a DPF Delete, Edge Racing Module, S/B Intake. Customer says about every 100 to 300 miles while cruising down the road the truck will backfire. We took everything off the truck except the S/B and sent him to Ford. Ford said everything is good to go. We had customer drive vehicle bone stock for some time but it still does it. Then Ford said it was the intake allowing to much air to the engine, so we took it off. Still does it. Ford then updated all the modules, he drove it for awhile without any problems so we installed everything back on the vehicle and low and behold it's doing it again. We updated the Edge same issue. Edge says they've never heard of it. We installed SCT still same thing. Any ideas??????

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post #2 of 6 (permalink) Old 05-27-2010, 11:38 PM
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first ive heard of a backfiring 6.4

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post #3 of 6 (permalink) Old 05-27-2010, 11:43 PM
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Like Eric said over on PSN, its probably an injector. I wouldn't think it could be anything, but you should be seeing a code or two from it. Nothing?

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post #4 of 6 (permalink) Old 06-03-2010, 01:33 AM
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If it's an injector, it'd pretty pretty obvious on IDS when they looked at fuel trim / power balance.

I've also never heard of a backfiring 6.4L. Since you said 100-300 miles, any chance Edge didn't do the DPF/regen delete correctly and what he's seeing is it trying to regen without any aftertreatment? Might cause a motor to do strange things.
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post #5 of 6 (permalink) Old 06-04-2010, 01:26 AM
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said it was doing it stock too

2008 F250 CC SB - It all wont fit in the sig so why bother?

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post #6 of 6 (permalink) Old 06-04-2010, 06:26 PM
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Sorry, but backfiring? BWAHAHAHAHA!. Everytime I hear a backfire I think about Clark Grizwald and the family truckster!

Dominic
'16 Ram 3500 Limited, DRW, 3.73's, Aisin, 4x4
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