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Bf ford falcon surging/losing power

My bf ford falcon ute 2005 loses power under acceleration and while sitting at a constant speed eg. 100kph it surges its really noticeble on some occasions it will have no acceleration at all for about 15 seconds or so them it will pick up.

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  • Ryan McKinnon Apr 24, 2013

    I have the same problem I was leaning towards tps or map sensor but I'm going to put it on a scan tool this after noonAnd check for any codes

  • Ryan McKinnon Apr 24, 2013

    The cat blockage makes sence tho. Did you end up fixing it? It so please post your solution cheers.



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Read fault codes . Check cat converter for failure /blocking exhaust system

Posted on Apr 23, 2013

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  • Ryan McKinnon Apr 24, 2013

    Thanks mate ill put it on the scan tool this arv and if no fault codes show ill take the 02 sensor out and see if it has better power.

  • Ryan McKinnon Apr 24, 2013

    I just took the exhaust off and ran it.. Same thing I got a few codes

    Memory codes
    Po133 ho2s11 circuit slow response
    Po420 bank 1 cat efficiency below limit

    Running codes
    P1124 tp sensor out of range
    P1132 ho2s11 sensor indicates rich

    I've replaced the 02 sensor not long ago.... Now I'm leaning towards tps. What are your thorts?

  • Bill Boyd Apr 24, 2013

    every thing is pointing to the tps. Replace it with a genuine item as the cpu settings don't always work well with after market units.

  • Ryan McKinnon May 02, 2013

    It's a million times better with the tps. I just got a Bosch one for a 3rd of the price. It's still a little rough on idle and surges really slightly but still annoying, I'm going to replace the pcv and the coil packs as they're due. I'm thinking the colorist might be the coil packs getting a little sad. It's not a distinctive miss and doesn't get worse under load but hopefully I notice a difference. If not ill check the codes again.



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