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post #1 of 23 (permalink) Old 05-16-02, 05:00 AM
BIGXR8
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roll mixtures air/fuel

Hi, what would make my el2 xr8 run lean?

Matt:s3
 
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post #2 of 23 (permalink) Old 05-16-02, 07:06 AM
XR9UTE
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Hi Matt,

A number of things: Dead or dying fuel pump,blocked filter,squashed fuel line,dirty injectors,dodgy fuel pressure reg,vacuum leak, air leak after the MAF, dirty or oiled MAF(you already know that one)element,dirty/stuck EGR valve, dodgy Engine Coolant Temp sensor, dodgy Air Charge Temp sensor,
Dodgy HEGO's.

Pete.
 
post #3 of 23 (permalink) Old 05-17-02, 05:12 AM
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roll

Well pete the work shop has had it for 3 day now and its not the injectors or the computer he's up to the HEGO's stay tuned.

As for the sparks coming out of the coil the NGK plugs were F#@*ed not the leads. So the miss is fixed but the car still runs lean.


Matt
 
post #4 of 23 (permalink) Old 05-18-02, 03:39 AM
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how do you know if your car is running rich or lean?

thanks
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post #5 of 23 (permalink) Old 05-18-02, 03:51 AM
BIGXR8
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They put a probe up or on the exhaust
 
post #6 of 23 (permalink) Old 05-18-02, 09:06 AM
XR9UTE
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Hey Matt,

Tell me do you ever hear your fuel pump making noise?
 
post #7 of 23 (permalink) Old 05-18-02, 08:31 PM
BIGXR8
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Not that I know of only when I start the car well turn the key on.
 
post #8 of 23 (permalink) Old 05-19-02, 01:34 AM
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My first experiance with problem was exactly the same as what your mechanic is going through.tell them to get a new mass air flow meter ,it will fix the problem i gaurante it.I see this problem at least once a week.

Herrod Motorsport

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post #9 of 23 (permalink) Old 05-19-02, 01:55 AM
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Quote:
Originally posted by herrod motorsport
My first experiance with problem was exactly the same as what your mechanic is going through.tell them to get a new mass air flow meter ,it will fix the problem i gaurante it.I see this problem at least once a week.
Of course you could say Rob is lying and trying to rip you off (old timers on the site will know what this joke is about).

NOT!

Yes, I have seen MAF do this on a mate's car just recently and I suspect Rob is right. He has seldom been wrong in my experience.

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post #10 of 23 (permalink) Old 05-20-02, 05:57 AM
XR9UTE
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Quote:
Originally posted by Aussie Pete

Of course you could say Rob is lying and trying to rip you off (old timers on the site will know what this joke is about).

NOT!

Yes, I have seen MAF do this on a mate's car just recently and I suspect Rob is right. He has seldom been wrong in my experience.
I must have missed that one. Did someone say Rob was ripping someone off?

Pete.
 
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