1990 Ford Ranger 1 side not firing


flory

10+ Year Member

Joined
May 11, 2011
Messages
1
Points
1,501
Vehicle Year
1990
Transmission
Automatic
One side of block not firing right. That side has oil fouled plugs or running to lean. Other side has nice white plugs. Brand new plugs. Just put in new freeze plugs and reinstalled moto. Distrubutor looks good. Fuel pressure at 40 psi. Compression good at 150. Could this be a coil or ECM problem.
 
welcome to trs!

what do the plugs look like? oiled up or lean? the two are way different hahah

and what do you mean by not firing right? does it not fire at all or does it miss?
 
Well, an oil fouled plug isn't a computer issue. Its more like a head gasket issue.
 
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