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[RobseyMV6]

have a 3.2 with cyl 5 miss fire, changed coil pack/packs little better and on for a minute sweet tick over and reving then soon as warm and move eml on and miss fire back again, will replace plugs today but codes are 0205 and 0300 so question is will 3.0 injectors fit 3.2 enigne without any problems to try to sort the problem?

[Kevin Wood]

IIRC, the injectors are different on the 2.6/3.2. I have a few sets, though. I'll have a look and see if any are the later type.

More likely to be the wiring to the injector than the injector itself, IMHO. I'd check the security of the multi-way plug behind the plenum and the plug in the injector itself. Then measure the resistance of the injector itself. Should be about 12-15 ohms.

[feeutfo]

Swapped plug 5 to another cylinder/fitted new?

[Kevin Wood]

P0205 indicates a problem with the injector circuit, so doubt it's ignition related.

[feeutfo]

Ooop, read what I wanted to see,0305, rather than what's there 0205.

The inlets I've drilled for LPG all had blue injectors , if that helps. Only ever done 3.0 and 3.2.

[RobseyMV6]

Put 2.6 injectors on there but no change, changed plugs no change, checked plugs and all ok, might the ecu be down? will try another tomorrow.

[Kevin Wood]

Unusual for the ECU to fail, but if you've got a spare one lying around.... Could be wiring from ECU to injector, I suppose.

[RobseyMV6]

Was thinking this, will try brain first then go for wiring after as last call 

[RobseyMV6]

Really lost with this car, i changed the brain no change then changed brain back and run fine to get an mot on it and do another 150 miles then problem returned again.

To date i have changed now

Coil packs
brain again
chrak sensor
plugs
engine loom
injectors
anything else left? 
Put a earth from batter to engine still the same.

making me very 

[feeutfo]

Live data time? Check lambdas and fuel trims? Might just be sending a weak cylinder into miss fire...?

Compression test?

[RobseyMV6]

Live data time? Check lambdas and fuel trims? Might just be sending a weak cylinder into miss fire...?

Compression test?

What you mean plug on tec tool?

Thinking it's the same as taxi Al so engine out jobbie, chip on one of the 24V

[feeutfo]

Live data time? Check lambdas and fuel trims? Might just be sending a weak cylinder into miss fire...?

Compression test?

What you mean plug on tec tool?

Thinking it's the same as taxi Al so engine out jobbie, chip on one of the 24V

yep, but I'd tech 2 it first.