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Spiked!

blobak
in Engine Management & Fuel Systems

Featured Replies

#1

Hi Guys, wondering if anyone has had ecu troubles after having car tuned. No I have not used generic tunes.

The ecu goes into limp mode intermittently. Have isolated the problem to the ecu, replaced with a second hand one, after a long drawn out process of diagnosing it.

The car then retuned and the same shop and using the same xcal3.

Am just wondering if this is a regular ocurrance, thought it would be pretty hard to spike these computers?

#2

Was anything else done besides tuning? Ie welding, any other electrical work?

I've heard plenty of ECU's getting fried when the mechanic didn't disconnect neg lead on battery before working on it, but as for tuning only, nope, you'd be the first.....

#3
  • Author

No was just standard dyno tuning.

#4

What yeah/model?

#5

Who is your tuner?

#6
  • Author

It is a BA 2004. I won't metion the tuner, as yet. Not into flaming the yet.

So has anyone else had this happen from being tuned?

#7

I'd say there's an issue with the Xcal unit

#8

I've seen it happen it's not uncommon at all ask any tuner

#9

Why are you assuming the PCM got a spike?

Maybe it has just developed a problem firmly in the sh*t happens category. Sometimes things just stop working.

#10

never seen one spike, but as Adam said you may have had a ECU waiting to die and it jus happened to while being tuned????

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