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Old 02-02-2013, 06:12 AM   #1
lardy2001
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No acceleration, check engine light on, no codes, won't reset.

Hi,

I was wondering if you guys on this excellent forum could give me some help.

I have a 2007 Focus and the Check Engine Light on and very poor performance, acceleration wise, from the car - no strange noises, just no power.

Thankfully I have a OBD II reader but this came back with no codes, and initially with I/M as YES but after a few rescans is coming back with no codes and I/M as NO.

I can find lots of information relating to codes (but have none coming up) but hardly any on I/M status.

I have tried to clear the "codes" to try and clear the check engine light but this makes no difference and still a noticable reduction in power.

Any ideas or suggestions greatfully received, as it's now the weekend and no garages open until Monday, and I need to get to the fire station tomorrow to work, so need to know if it's safe enough to drive without becoming a customer of my own work!

Thanks in advance for your help.

Matt


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Old 02-02-2013, 07:22 AM   #2
zetecDon
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I moved your post to General Technical Chat for better assistance.
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Old 02-02-2013, 09:28 AM   #3
matmatician
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Hey, welcome to the forum! Just so we can have a bit more info, was this a gradual loss of power? Or was there an incident that caused it? Do you recall any circumstances that may have led to possible engine damage? And have you performed a tune up recently? Oil, spark plugs, etc... Let us know!
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Old 02-02-2013, 10:10 AM   #4
lardy2001
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Thanks for your response.

No gradual loss of power, seemed to notice the error message then the loss of power.

No incident that I know of that would cause it. I can't think of any circumstances that may have led to possible engine damage, I did have it serviced (including oil change) about 2 weeks ago.

Hopefully this helps.

Thanks

Matt
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Old 02-02-2013, 08:33 PM   #5
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If the check engine light is on with no codes, I'd be pointing my finger at the PCM. But I would definitely verify that before coughing up the dough for a new one.
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