Low RPM misfire under load. I need Help!!!!!

davmacdon

New Member
Aug 23, 2003
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Man its been a while since I have posted and all has been well with the 5.0 until now.

About a year ago I chased down a misfire that ended up being a bad pickup in the distribuator.

At the time I replaced plugs, cap and rotor, wires, coil, new distributor and put heat boots on the plug wires.

All was well for about a year/2000 miles. Now I have this misfire stumble at low rpm's under a load. If I am going up a steep hill and put into 5th it just coughs and bucks until the rpms get over 2000 and every thing is good.

The fuel pressure is 30psi at idle and around 38-39psi under a load.

Any help would be great. I am at a standstill and don't know which way to go.
 
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