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Author
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Topic: P0171 AND P0174 FORD ESCAPE
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macthizzle
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Member # 3492
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posted
 
 
Bank 1 and bank 2 running to lean and are about 25 percent.
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"FUCK U PAY ME"
Posts: 992 | From: REDWOOD CITY | Registered: Oct 2003
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jo_arce02
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Member # 11777
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posted
unmetered air getting in there and the computer is trying to make up for it. try spraying brake cleaner around the intake manifold and or vacuum hoses. also check the intake boot after the MAF or any hoses coming off that boot to the valve cover.
Posts: 48 | From: oakland | Registered: Mar 2012
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macthizzle
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Member # 3492
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posted
DTC for which Freeze Frame was Stored
P0171,P0174
Fuel System 1 Status
Closed Loop
Fuel System 2 Status
Not Supported
Calculated LOAD Value
24.3 %
Engine Coolant Temp
207.00 °F
Short Term Fuel Trim - Bank 1
11.7 %
Long Term Fuel Trim - Bank 1
25.0 %
Short Term Fuel Trim - Bank 2
10.9 %
Long Term Fuel Trim - Bank 2
25.0 %
Intake Manifold Absolute Pressure
8.6 inHg
Engine RPM
763 rpm
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"FUCK U PAY ME"
Posts: 992 | From: REDWOOD CITY | Registered: Oct 2003
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hurting your feelings
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Member # 13641
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posted
Pcv and the house for like to leak.
Posts: 1830 | From: In front of the bank with a 45 an a ski mask | Registered: Jun 2014
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SacStangDriver
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Member # 8304
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posted
smoke test it before you do anything else. check for vacuum leak.
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Need sidework done at great prices? I work on all makes and models from engine work to gears. Check engine light problems too. 916 912 3493
Posts: 1217 | From: sacramento | Registered: Mar 2008
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macthizzle
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Member # 3492
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posted
It has been smoke tested. Test showed no leaks, Can a dirty fuel filter cause this?
The truck runs fine I just need to pass smog. Rpms stay around 700 at idle. I don't know what else to check.
[ 2016-04-06, 08:32 PM: Message edited by: macthizzle ]
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"FUCK U PAY ME"
Posts: 992 | From: REDWOOD CITY | Registered: Oct 2003
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ford521
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Member # 14321
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posted
Assuming its a V6 , very common for lower intake gasket/orings to shrink up ...may not see it in a smoke test. Also check for dirty Maf sensor will cause same thing
Posts: 37 | From: Hayward Ca | Registered: Mar 2016
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