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| ghia v8 |
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ive a el v8 and it runs very lean.ive had it dyno tuned and the bloke adjusted the timming and increased fuel by 5% at wide open throttle.It was fine for a few weeks then went back to pinnging. plugs are new, maf is clean, throttle body is clean. fuel filter is new. the car made 140rwkw so i dont know whats causing it.
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| tickford_6 |
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Posts: 6449 Joined: 11th Nov 2004 |
how did he increase feul by %5????
what mods do you have? |
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| xf_man |
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Age: 46 Posts: 624 Joined: 21st Mar 2005 Ride: Triton ute BA Futura Location: Woori Yallock |
timing for sure
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| EDXR8 |
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{USERNAME} wrote: how did he increase feul by %5????
I am wondering the same thing, unless it has an aftermarket adjustable fuel pressure reg. What air fuel ratio was it runing at WOT? Generally lean running is caused by dirty/stuffed MAF sensor, bad injectors or fuel system, bad O2 sensors or intake leaks. |
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| ghia v8 |
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yeah, i forgot to mention that i have a chiptorque chip in it. it ran perfect for a few weeks then went back to s**t
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| Kenaz |
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Do you run it on 98?
My EL V8 pings on anything less than 98 Octane. |
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| ghia v8 |
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yeah always
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| EBXR8380 |
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How old are your 02 sensers???
I would say they have cleaned maf and checked that its functionable??? The tps voltage pressivley goes up as throttle opens???
_________________ As in ZOOM 126 edition |
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| who-haa |
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clean airflow sencor i just cleaned mine it has been pining would not rev & had no go about it.
there are two small wire's on it that get build up on them,with some carb-cleaner ,clean off & put back on. with mine it fixed pining, now rev to 5600rpm again. |
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| concorde |
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get an MAF from a Mustang or EL GT, they are bigger and more easily tuned.
My mate did this and worked a treat.
_________________ 2nd Place Summernats19 SQ Comp, Street Pro 0-600 Class
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| mickoxhxr8 |
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Had same thing a while back and for me was only the one O2 sensor. Replaced both and all is good.
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