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| wayne0 |
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Hello I recently installed a second hand motor from the wreckers into my AU2 however it runs ok besides the flat spot splutter however the wreckers had told me au 1 right through to au3 are interchangeable. well now after replacing the fuel pump fuel filter and fuel injectors plus oxy sensor the problem is still there I worked it out to be the t map sensor after i was going to swap the au 2 upper bbm manifold and as i found the wiring is different. What would be my best solution to fix this?
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| Snort Performance |
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series 1 map sensors have a another style of plug and the wiring is revered
pin a - pin4 , pin b- pin3 ect you can use the series 2 map sensors but you will need to use the series 2 plug and reverse the wiring
_________________ Snort Snort, we make our own speed!!!!! |
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| wayne0 |
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Thanks it seems to run fine except for the damm flatspot or when on the highway plant your foot it surges a bit however i will get the wiring off the old motor and chuck that on and swap the upper BBM over as the au1 has 2 screws holding it in where as the au2 has one small bolt holding it on wish the wreckers mentioned this as i did ask them and also stated i knew there were a few small changes to the AU2 wireing
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| wayne0 |
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or should i just cut the wire from the old loom for the sensor and just reverse it and swap the upper bbm? just funny how it runs just with this small issue
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| wayne0 |
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It isn't as efficient as it should be the motor is in good nic low k just wondering what is the easiest way to go about it?
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| Snort Performance |
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if you have the series 2 engine loom and map sensor , simply cut the current plug and reverse the wiring
_________________ Snort Snort, we make our own speed!!!!! |
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| wayne0 |
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Righto that is easy to do and there is no other sensors or wiring that need modification?
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| Snort Performance |
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not on the vehicles we have done
_________________ Snort Snort, we make our own speed!!!!! |
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| wayne0 |
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Thanks for the help
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| wayne0 |
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Did the mods today no she runs like a dream again Cheers
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