Truck runs like crap

firelt90bronco · Jun 24, 2007

I posted before about how my truck would run at high rpms and slow speeds up hill, smell like its running rich and have no power. So far i have replaced the engine coolant temperature sensor, ignition control module, coil, catalytic converter, eec and fuel pump relays. I cleaned the egr, checked the spark plugs, checked the fuel pressure and the transmission. What else is there?

snowman74 · Jun 25, 2007

Jim,

Have you checked to make sure you're getting fire and fuel to each cylinder? When mine was running like ***** it was those damn injector wires. Check your spark plugs and wires.

Snowman74

>-

firelt90bronco · Jun 25, 2007

How would you check the injectors and injector wires? The truck is very sluggish and has a hard time getting up hilss.

thornbirdguy · Jun 26, 2007

firelt90bronco said:
How would you check the injectors and injector wires? The truck is very sluggish and has a hard time getting up hilss.

test light

firelt90bronco · Jun 26, 2007

I noticed today that one of my spark plugs had a crack in the porcelin and one of the wire boots broke. I think I'll replace the plugs and wires and see how it is from there.

jaminjimlp · Jun 27, 2007

firelt90bronco said:
I noticed today that one of my spark plugs had a crack in the porcelin and one of the wire boots broke. I think I'll replace the plugs and wires and see how it is from there.

i did that and also dist cap and rotor button and it helped mine allot

firelt90bronco · Jun 27, 2007

It was alittle dirty, I'll replace it when I get the chance. Like the verse listed on your signature.

89Bronco58 · Jun 28, 2007

id just do the basics first, mainly a tune up and fuel filter. if thats not it id start checking into the sensors on the throttle body, is the check engine light on? also check the whole ignition system

firelt90bronco · Jun 28, 2007

I fixed it today, the timing was way off.

89Bronco58 · Jun 29, 2007

oh good deal, any idea how the timing went out?

snowman74 · Jun 29, 2007

firelt90bronco said:
I fixed it today, the timing was way off.

Have you been playing with your distributor again Jim? Ha ha. I still say you ought to replace those sparklers and wires. A cracked plug is as good as useless.

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Truck runs like crap

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