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Author Topic: Engine light on after 60 miles  (Read 3830 times)

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Shandyman

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Engine light on after 60 miles
« on: 06 March 2012, 21:07:13 »
Hi, fault code P0170 fuel trim bank1 keeps coming up after 60-70 miles. I have sprayed everything with brake cleaner and no external air leaks show up. I have had the cat and oxy sensor recently changed for other reasons.Suspect something sticking,any ideas
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freecall666

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Re: Engine light on after 60 miles
« Reply #1 on: 06 March 2012, 22:19:11 »
what is the fuel pressure like? after the engine cuts out check the pressure.
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Shandyman

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Re: Engine light on after 60 miles
« Reply #2 on: 06 March 2012, 22:33:27 »
Engine don't cut out just hesitates slightly at high revs and the fuel filter has already been changed,cheers Andy
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feeutfo

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Re: Engine light on after 60 miles
« Reply #3 on: 07 March 2012, 00:10:52 »
Lazy lambda? Are you anywhere near a code reader capable of live data, or one of the tech2 guys on here?
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feeutfo

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Re: Engine light on after 60 miles
« Reply #4 on: 07 March 2012, 00:12:11 »
Scratch that, it's a 2.2. Maf?
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kcl

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Re: Engine light on after 60 miles
« Reply #5 on: 07 March 2012, 11:26:29 »
It'll be the MAF. Around 100 EUR for a new one and make sure you get genuine which is Bosch. You can find the numbers printed on the MAF, put that Bosch code to google and pick.
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Shandyman

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Re: Engine light on after 60 miles
« Reply #6 on: 08 March 2012, 19:26:04 »
Ok then anew maf it's gonna be,can get a used one for £25 guaranteed or a new one for £38
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PhilRich

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Re: Engine light on after 60 miles
« Reply #7 on: 08 March 2012, 19:34:26 »
Quote from: Shandyman on 08 March 2012, 19:26:04
Ok then anew maf it's gonna be,can get a used one for £25 guaranteed or a new one for £38


If the 'used' one is a GENUINE oem part & you know the person selling it will honour any guarantee, then it may be a good stopgap until you can afford a brand new GENUINE maf. As for the 'new one for £38', you will be wasting your money imho :-\ :y
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Shandyman

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Re: Engine light on after 60 miles
« Reply #8 on: 08 March 2012, 22:00:58 »
Are these aftermarket oem's no good
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Shandyman

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Re: Engine light on after 60 miles
« Reply #9 on: 14 March 2012, 18:16:02 »
Fit a used MAF and have done over 100 miles
miles since with no engine light on.An added bonus is that I'm now getting an extra 6mpg more!!!!!
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jonnycool

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Re: Engine light on after 60 miles
« Reply #10 on: 14 March 2012, 19:49:20 »
Where did you get it mate? Could do with a guaranteed 2nd hand genuine MAF for my car, don't fancy paying over £100 for a new one  :-\
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birdman

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Re: Engine light on after 60 miles
« Reply #11 on: 14 March 2012, 21:12:08 »
I had the exact same problem for months,turned out it was the MAF,it was only replaced 8months ago (genuine) so didnt last long and was convinced it wasnt causing the problem until i had a live reading done by Kevin Wood (good man!!)
Bought a second hand genuine MAF from fleabay,£40,still working after 1000miles and counting!! :y
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Shandyman

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Re: Engine light on after 60 miles
« Reply #12 on: 26 March 2012, 23:02:52 »
Hi Johnnycool, found one on ebay but I'm sure if you search the various auction sites you will find one.........ps. Due to the time it took me to fix the faulty MAF it's now burnt the cat out(😡😡😡😡😡😡,)
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freecall666

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Re: Engine light on after 60 miles
« Reply #13 on: 26 March 2012, 23:27:46 »
Quote from: Shandyman on 26 March 2012, 23:02:52
Hi Johnnycool, found one on ebay but I'm sure if you search the various auction sites you will find one.........ps. Due to the time it took me to fix the faulty MAF it's now burnt the cat out(,)
what you mean burnt out the cat? how have you found that out?
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hotel21

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Re: Engine light on after 60 miles
« Reply #14 on: 26 March 2012, 23:45:09 »
Quote from: freecall666 on 06 March 2012, 22:19:11
what is the fuel pressure like? after the engine cuts out check the pressure.
How?
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