help 87 mk3 running very bad all the sudden went up hill now atleast 1 cyl down?HELP

suprabrian

New Member
Jan 17, 2010
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Auburn wa
was driving up a big hill wen all the sudden car started missing got to the top and it went away the next day same hill car started missing again but it didnt go away now it seems to b running on 5 cylinders atleast the only code it shows is 12 rpm signal pulse (crank angle) could this be y? any help will do its a 7mge n/a rebuilt top end with about 6000 miles car was running awsome all the way up to yesterday now barly runs? any info will help!!!