Ok just looking for some suggestions hopefully I can get some feedback. My pops has a 97' 2.7 taco. and just recently he has been experiencing random stalling spudders when he's driving it. Now it doesnt completely stall the motor to a hault but it spudders to where it jerks you a bit. Now I've checked all the plugs and wires and they are all in good shape. We've ran several bottles of injector cleaner through. Just recently changed the oil and I just cleaned the K&N filter tonight. Now I'm wondering if these signs are symptoms of a bad fuel filter or what...Could it be a coil pack? The truck has about 100,000 on it. Just wondering if i can get any feed? Oh and it's a 5speed 4x4.

 

Check the MAF. K&Ns let dirt in and get the maf dirty and can cause problems. If it is dirty you could use some electronics cleaner and see if it'll clean up.

 

bump for some more ideas for you.