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03 escape idles really bad with ac on

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03 escape idles really bad with ac on
Submitted: 10 months ago.Category: Ford
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Answered in 5 minutes by:
10/6/2017
Ford Mechanic: Dan, Technician replied 10 months ago
Dan
Dan, Technician
Category: Ford
Satisfied Customers: 26,052
Experience: Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Hello, my name is ***** ***** I'm here to help get your problem solved.

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Ford Mechanic: Dan, Technician replied 10 months ago

Has anything been replaced? Is the check engine light on?

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Customer reply replied 10 months ago
Light is not on, tune up and idle valve replaced
Ford Mechanic: Dan, Technician replied 10 months ago

Has throttle body been cleaned?

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Customer reply replied 10 months ago
Also replaced vacuum lines and intake gaskets
Ford Mechanic: Dan, Technician replied 10 months ago

Runs perfect without using the ac?

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Customer reply replied 10 months ago
It does run perfect without a on
Ford Mechanic: Dan, Technician replied 10 months ago

I think your AC compressor is the problem or possible iac wiring. I'll open question up incase someone else has some other ideas. Thanks.

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Customer reply replied 10 months ago
Ok
Ford Mechanic: roy, import/domestic specialest replied 10 months ago
roy
roy, import/domestic specialest
Category: Ford
Satisfied Customers: 7,929
Experience: ASE master tech for 40 years
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do you still need help???

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Customer reply replied 10 months ago
please
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

ok sorry was working

does the ac work and blow cold air???

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Customer reply replied 10 months ago
It does
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

ok thanks

I doubt it is the compressor. if it was there would be something wrong with the ac.

is the check engine light on??? how old are the plugs???

Roy

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Customer reply replied 10 months ago
New plugs and no light
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

what engine??

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Customer reply replied 10 months ago
3.0
Customer reply replied 10 months ago
No light and code p1000 in continuous memory
Customer reply replied 10 months ago
I do get codes for koeo and koef tests
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

ok,

the roughness you feel. does it feel like a vibration??? while it is vibrating, does the engine run good or loose power??

does it feel like the engine is missfiring.

dont worry about that code.

what are they???

Roy

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Customer reply replied 10 months ago
It does have a transmission shutter but I know it's the engine cause rpm fluctuate and engine dies sometimes
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

ok, thanks, ***** ***** better sense.

a common issue is a clogged cat converter. the exhaust get blocked and under load it cannot breathe. without the load it breathes enough to run.

the way to verify is to remove the line to the egr valve on the top of the motor. there is a line from the exhaust manifold. remove it and drive it and see if it makes any difference

Roy

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Customer reply replied 10 months ago
Koeo p0135. O2 heater circuit malfunction right upstream
Customer reply replied 10 months ago
I do notice it says rich on downstream o2
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

yep, common for that code to be the O2 sensor. will not effect your current issue

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Ford Mechanic: roy, import/domestic specialest replied 10 months ago

the only job the downstream O2 has is to monitor the cat. voltage should be stable and not vary.

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Customer reply replied 10 months ago
I undid the egr pipe and it still stumble
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

I am out of ideas. I cannot help anymore unless I am there to see it and touch it.

I will opt out and see if anyone else has any ideas

Roy

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Customer reply replied 10 months ago
Thanks for trying
Ford Mechanic: roy, import/domestic specialest replied 10 months ago

I am sorry I could not have solved it for you

Roy

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