you need to do a compression test and check for vaccum leaks on the intake on the cylinder thats not working a vac hose may of come off
Same Problem
Jan 22, 2009
-   I have already changed the pickup on the crankshaft but the exhaust side coil still fires weak 1&4 on the intake side fires perfect-   Guest
1998 Ford Ranger 2.5 automatice vehicle misfires on cylinder 2 and occasionally cylinder 1 when...
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1998 Ford Ranger 2.5 automatice vehicle misfires on cylinder 2 and occasionally cylinder 1 when driving. Have replaced plugs and plug wires. Spraying ether around vacum lines indicates no vacum leaks.