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Old 28 Oct 2012, 10:13 AM   #1 (permalink)
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Unhappy codes need help

P0851: Unknown code - More information may be available on the web
P0508: Idle Control System Circuit Low
P1152: [BMW] O2 Sensor Heater Circuit Low Voltage (Bank 2 Sensor 1)
[Ford] Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2
[Mazda] HO2S Bank 2 Sensor 1 Signal Above 0.45v (A/F Ratio Too Rich)
[Seat/Audi/Volkswagen] Bank1, Long Term Fuel Trim, Range 2 Leanness Lower Limit Exceeded

P1153: [BMW] O2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 1)
[Chrysler] HO2S Insufficient Switching Bank 2 Sensor 1
[Toyota] Air/Fuel Sensor Circuit Response. (Bank 2 Sensor 1)
[Lexus] Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 2 Sensor 1)
[Dodge] HO2S Insufficient Switching Bank 2 Sensor 1
[Jeep] HO2S Insufficient Switching Bank 2 Sensor 1
[Volvo] Front heated O2 sensor (HO2S) bank 2 signal missing

P0502: Vehicle Speed Sensor Circuit Low Input

any help pls lol its 2003 wrx uk spec
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Old 28 Oct 2012, 10:22 AM   #2 (permalink)
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Re: codes need help

what code reader are you using
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Old 28 Oct 2012, 10:39 AM   #3 (permalink)
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Re: codes need help

torque was told its good lol or not
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Old 28 Oct 2012, 11:06 AM   #4 (permalink)
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Re: codes need help

Quote:
Originally Posted by shanio View Post
P0851: Unknown code - More information may be available on the web
P0508: Idle Control System Circuit Low

P0502: Vehicle Speed Sensor Circuit Low Input

any help pls lol its 2003 wrx uk spec
the rest are crap

The VSS code results from 1 of 3 things - a bad speed sensor or a broken speed sensor gear, or if the vehicle as a KMH/MPH converter and the wiring is crap.

P0508 is a IACV code as you know
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Old 28 Oct 2012, 11:14 AM   #5 (permalink)
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Re: codes need help

its a uk car so wouldnt have the botch job would ?
is the speed sensor on side of gearbox the one that is a sod to get at ?
and do you have one lol or do you know the part number cheers matey

cheers shane

Last edited by shanio; 28 Oct 2012 at 11:30 AM.
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Old 28 Oct 2012, 03:24 PM   #6 (permalink)
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Re: codes need help

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Originally Posted by shanio View Post
is the speed sensor on side of gearbox the one that is a sod to get at ?
On the gearbox... Link: Info: 02+ WRX Sensor Diagrams/Location
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Old 28 Oct 2012, 03:38 PM   #7 (permalink)
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Re: codes need help

cheers pete was looking at that the other day lol very good pics of sensors .. you dont happen to know the part number do you
cheers shane
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Old 28 Oct 2012, 04:04 PM   #8 (permalink)
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Re: codes need help

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Originally Posted by shanio View Post
cheers pete was looking at that the other day lol very good pics of sensors .. you dont happen to know the part number do you
cheers shane
Sorry .... I can't help you with the part number.
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Old 28 Oct 2012, 04:17 PM   #9 (permalink)
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Re: codes need help

been lookin for hours now and can only find one for a v4 v5 ,, but know think that will fit .. so many parts out there lol got a parts catalogue but cant find it in that either lol
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Old 28 Oct 2012, 04:49 PM   #10 (permalink)
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Re: codes need help

you need someone local to you with a laptop, you can test and view the sensor to see if its faulty before you spend more cash.
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Old 28 Oct 2012, 04:50 PM   #11 (permalink)
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Re: codes need help

as your using a random code reader it may be giving you that fault as the car isnt moving lol
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Old 28 Oct 2012, 04:58 PM   #12 (permalink)
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Re: codes need help

what software would you use for a laptop then
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Old 28 Oct 2012, 04:58 PM   #13 (permalink)
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Re: codes need help

or should i just get the fooker in the garage lol
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