After cleaning EGR, 02 sensor and MAF, truck has lost low-end power. Still getting code 332, but have tested EGR and it is good. Plugs, wires, cap and rotor all >10,000 miles. Any suggestions would be appreciated.

 

how did you clean the o2 sensor? and with what? also check vacume lines to everything. what year and motor do you have?

 

code 332 insufficient EGR flow detected. check to make sure there is not a chunk of carbon jaming the egr valve happens all the time and might have happened if carbon broke loose from the cleaning.

 

Try the fuel filter. $8 part and it solved my problem which was very similar to yours.

 

that too.

 

#332= also possibles: EGR valve diaphragm leaking or the EGR regulator is bad.

 

You cleaned the EGR, cool. Is it actually working? The computer says it's not.

 

Cleaned EGR by scraping carbon with small knife. Tube was plugged almost closed. Cleaned O2 with MAF. 02 Code cleared. Ran KOER test and TPS code popped, as well as Spout open code? Have NEVER messed with Spout (pathetic, as I've tuned her up 3 times) or adjusted timing. Just plugs,wires, cap and rotor. Ur right Sean: Picking up EGR and TPS today. Unplugged Spout and plugged back in, hoping that clears that code. Fuel filter new, as well as both tanks and pumps. Truck is a 1994 with 5.0L 302 with 260K. Note: Exhaust is shot from both hangers rear of cherry bombs back.

 

well glad to her you found the carbon build up.

 

Try checking the timing