Question about 1990 Ford Mustang
I have a 1990 Mustang 5.0 and I'm having problems with the firing order. in the internet it gives me 1 3 7 2 6 5 4 8. but will not run smooth, backfires through exhaust and intake. I used the old ford firing order 1 5 4 2 6 3 7 8 and the vehicle runs better but still misses and has LOW power. can anyone help I am confused.. Have put in new map sensor and engine computer again please please help..car is stop no modifications
It is the first firing order, are you going counterclockwise?
Posted on Feb 06, 2009
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Posted on Jan 02, 2017
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