My car with aftermarket parts has started running like shit, moved states and ever since then it bogs when taking off as does not give full power when taking off

Asked by Jul 12, 2015 at 11:00 PM about the 2010 Ford Focus S

Question type: Maintenance & Repair

Hello I have a 2010 Ford Focus S it
has an after market cold air intake
with a custom stealth exhuast
system, I have Resently moved from
Alaska (COLD weather) to Arizona (
HOT weather) I give it regular check
ups ect, but only when my engine
heats up it bogs really bad when
taking off and has start to not give its
full power it use to have b4 the move
I have taken it in the shop and payed
$300+ For new spark plugs, clean
mass air flow, oil change and ect, an
it still runs like this what can I do ???

5 Answers

86,975

Have you tried a hard reset on the ECM? Normally they change the settings automatically but maybe yours thinks the change is too drastic. If that doesn't do the trick then I would have it scanned using a "live data" scanner that way they can see if a sensor is out of specs but not far enough for the ECM to set a fault code for it.

Best Answer

Is the ECM in my ECU ? And where would I get or have the " live data " ran?

86,975

ECM,ECU, CPU, IPCU all do the same thing just different letters depending on what the engineers decided on calling it, as far as shops all you have to do is just call them as ask if they can do "live data" scanning.

Ok thank you I will give it a try

What if I flash my ecu ? I'm about to do a sct flash would that fix the problem too? Or do I have to get the live scan b4

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