travisamorgan

95 t100 with the 3.4 automatic and randomly it will miss on number 2 cylinder. Has a code for the miss on #2 cylinder also. We pulled the plug wires and switched it with another and has new ngk plugs. It has spark jumping to the engine when you pull it off the plug and out of the hole and when its missing it doesnt change when you pulk the plug wire.

We are thinking injector? Its the only cylinder affected and the miss doesnt always happen sonethines it does when its started from cold and after driving a bit and sometimes when started hot. It sometimes doesnt miss either.

Changed where we get gas and ran fuel system cleaner through. Didnt chanhe anything. I think the injector doesnt work sometimes when its hot for aome reason or maybe a loose wire but we havent done anything with tearing off the intake yet.

What test besides resistance check could we do?

Whats a good brand of injectors to buy and a good place to buy them if we need them? I see injector sets off ebay for around $100 and autozone is selling just one injector for $125. Ebay jas one injector for $50. Any particular brand or source thats cheapest but reliable?

Thanks Travis.

250000_yota

Hold a screw driver or stethoscope to the injector if possible and see if you can hear it clicking. That's been a fairly sure fire way to check injectors, and I have seen a few 3.4 injector failures. Depending on mileage, you might want to consider replacing them all, or at least getting the older injectors cleaned by witch hunter or someone similar so that the flows match.

travisamorgan

Ok we will try that. If we need injectors wheres a good place to get them? And any brand to get or brands or sources to avoid.

250000_yota

Personally I'd stick with OEM, but I don't know what yur budget is, and I don't have any experience with any other brands of injectors.