mitsubishi gto mk1n/a

mitsubishi gto mk1n/a

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michael0794

Original Poster:

1 posts

118 months

Saturday 19th July 2014
quotequote all
got a major misfire under load.
coughs and barks with odd small backfire but seems to clear at 3000 rpm although there is a little hiccup.
doesnt idle too well and tries to cut out at junctions etc.
having to feather accelerator as too much gas it misfires real bad until seemingly clears.
any ideas?
maf,plugs,leads,O2 sensor,throttle position sensor,ecu,coils,
starts first turn of key and seems better when cold and rpm higher.
it all started when after a short run I pulled over to sit and wait for work colleague at idle for 5 munutes went to pull away and was missing like hell.
any direction would be good