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| Obese |
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Replaced fuel pressure reg. Fuel pump. Filter. 02 sensor. Plugs. Leads.
Have a feeling it started happening when I replaced the air filter with k&n. Maybe need a new maf??Can you clean them? Or would it need to be replaced
_________________ Current Ride: AU2 Fairmont |
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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
In my personal opinion i think K&Ns are crap. The oiled ones especially and can cause issues with Map sensors etc.
You should see how dirty and oily the throttle bodies were on my cars when i used them.  I find the paper/Pollen air filters are much better and the cars have been happier since. Some may have different opinions. And on another hand i think most Falcons usually run a bit rich anyway.
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| Obese |
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93EB wrote: In my personal opinion i think K&Ns are crap. The oiled ones especially and can cause issues with Map sensors etc. You should see how dirty and oily the throttle bodies were on my cars when i used them. I find the paper/Pollen air filters are much better and the cars have been happier since. Some may have different opinions. And on another hand i think most Falcons usually run a bit rich anyway. Oh no this is ridiculously rich to the point I wash my rear bumper once a week due to excess black smoke. But yes. It is an oily k &n. I also throw a backfire once every now and then when giving it a boot full. (Backfire happens around once a week) any suggestions ?
_________________ Current Ride: AU2 Fairmont |
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| scruff123 |
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Have you checked the engine is running up to temp? If the thermostat is stuck open and its running cold then it will run pritty rich, jst had that happen to mine
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| 67RCE |
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Check for vacuum leaks!
_________________ ILL60 - EF XR8, Sunroof, Ticky Kit, 19x8.5/19x11 TE37's, 347, AFr185's, TFS BoxRcustom converter, Hurst Quarterstick, huge billet cam. |
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| TROYMAN |
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yes, my au ghia had a high fuel consumption, I found that the intake manifold bolts were loose, after replacing the gasket and fitting a new paper air filter fuel consumption dropped dramatically..
just check and tighten the manifold bolts and maybe try a std air filter... a over oiled k&n can cause air restriction and poor fuel economy |
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| efxr6wagon |
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+1 over-oiled air filter
+1 vacuum leak. With the engine running, spray all vacuum hoses and all gasket joins between the throttle body and the head with brake cleaner spray; revs will rise when you hit a leak. Also, could be a failed T-MAP sensor (the sixes use a MAP sensor, rather than a MAF meter) mounted beneath the throttle body.
_________________ 95 EF XR6 wagon, 17" FTRs, DBA rotors, KYB/Koni, AU bottom end, ported EF head, backcut valves, SS Inductions, Territory intake, 10.2 CR, Auckland 1258 cam, vernier gear, PH4480 headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip |
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