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Author Topic: code 74  (Read 1788 times)

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paul.c

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code 74
« on: 01 August 2008, 21:48:29 »
well my car is still cutting out now and again mostly very slow speed or tickover. now im getting code 74. ( mass air flow meter voltage high ) so what the hell does this mean. ( considering i changed it allready ). :-?
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TheBoy

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Re: code 74
« Reply #1 on: 01 August 2008, 22:09:06 »
Quote
well my car is still cutting out now and again mostly very slow speed or tickover. now im getting code 74. ( mass air flow meter voltage high ) so what the hell does this mean. ( considering i changed it allready ). :-?
Air leak.


MAFs very very fairly fail on Omegas.
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rickyboy

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Re: code 74
« Reply #2 on: 01 August 2008, 22:10:09 »
Possibly an air leak if the sensor is ok.  Air filter been changed recently?
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paul.c

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Re: code 74
« Reply #3 on: 01 August 2008, 22:30:46 »
i just ran out and checked air filter ( and its boggin ) could this be the cause.?? :(
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rickyboy

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Re: code 74
« Reply #4 on: 01 August 2008, 22:35:36 »
Yes change it!
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paul.c

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Re: code 74
« Reply #5 on: 01 August 2008, 22:55:42 »
o yes thats another thing i just took all the air intake system off to inspect it for leaks. anyways theres a little black thingy that sits at the back about half way down. it has an electric plug and 2 thin plastic air hoses. anyways when i took the top one off there was a big hiss. now hears the question. is it meant to?? ::)
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markey mark

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Re: code 74
« Reply #6 on: 02 August 2008, 00:01:55 »
Quote
o yes thats another thing i just took all the air intake system off to inspect it for leaks. anyways theres a little black thingy that sits at the back about half way down. it has an electric plug and 2 thin plastic air hoses. anyways when i took the top one off there was a big hiss. now hears the question. is it meant to?? ::)

yes that is a good thing bud ! :y
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paul.c

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Re: code 74
« Reply #7 on: 02 August 2008, 02:24:35 »
ta :y
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feeutfo

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Re: code 74
« Reply #8 on: 02 August 2008, 07:20:12 »
Quote
Quote
o yes thats another thing i just took all the air intake system off to inspect it for leaks. anyways theres a little black thingy that sits at the back about half way down. it has an electric plug and 2 thin plastic air hoses. anyways when i took the top one off there was a big hiss. now hears the question. is it meant to?? ::)

yes that is a good thing bud ! :y

It is one of the 2 multi rams, they smooth out the power
Delivery, and are air vacuum operated, tempted to say
Be carefull to get the pipes the right way round. Had
Trouble on my old car with it not working, caused a
Step in the power at 4k.
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