P0171 Disaster - Please Help!

[vr4playa]

After new NGK platinum plugs, PCV valve + grommet, 1/2 Coil, air hose which connects to TB and cleaning MAF w/ MAF Cleaner...

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Still need to get a new passenger side exhaust manifold, but this'll do for now.

 

[Rock_Rat]

After new NGK platinum plugs, PCV valve + grommet, 1/2 Coil, air hose which connects to TB and cleaning MAF w/ MAF Cleaner...

It sounds good and I'm glad you didn't have to dig too far into the engine. I still can't fathom how it's even possible for anyone to screw up installing spark plugs. I know that not everyone on here is mechanically inclined, but seriously...spark plugs? :shrug:

 

[gamefreakgc]

I'm scared to know what happened to that plug... I've never seen one like that. What would cause it to glaze over like that?

 

[1moreToy4me]

What do I win?
Glad it wasn't too bad.
Keep us informed.

 

[tyr0981]

FYI, my P0171 was caused by the ISR vaccum line, that line directly controls how much fuel is sent to the injectors, mine was not getting enough for about ~6 years... randomly throw p171 cpdes, then be fine. After i did the 'Deck Plate' mod, the p171 was on all the time... removed ISR put the vac line on the tube i used and voila! though i only get about 16MPG now.... :decision:

 

[vr4playa]

What do I win?
Glad it wasn't too bad.
Keep us informed.

lol, snowy21 was right about the noise, but you were right about one of the problems

We should get together sometime though so you can show me where to off-road around here. I went up to Lake Pleasant today with a friend and his '13 Wrangler and have done Sedona twice, but I know there's gotta be some good ones closer to home.

Btw did you do stock manifolds or aftermarket headers when yours were cracked?