Navigator Not Idling, Stalling? P1450
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Navigator Not Idling, Stalling? P1450
I'm having some issues with my 1999 Navigator and cannot pinpoint the problem. It will not hold regular 1000 rpms and is idling at the lowest possible rpm. You can't even hear it running, just have to step on the gas again and it jumps. Last week, the CEL came on and I got it scanned, popping up p1450 code.
So, I pulled the charcoal canister and emptied it out and cleaned the filters (overall very clean canister). I also dropped the fuel tank and replaced all vapor vent hoses on the tank and canister. Still, nothing has changed. I still need to change out the two hoses at the purge valve, but I'm starting to think it might be something else.
I have not replaced the purge valve or the canister vent solenoid, but was wondering if there's a way to test these functions first before replacing? I did test the power coming out of each wiring harness and both are good.
I'm thinking the culprit is one of these two items, but any help narrowing this down is greatly appreciated.
So, I pulled the charcoal canister and emptied it out and cleaned the filters (overall very clean canister). I also dropped the fuel tank and replaced all vapor vent hoses on the tank and canister. Still, nothing has changed. I still need to change out the two hoses at the purge valve, but I'm starting to think it might be something else.
I have not replaced the purge valve or the canister vent solenoid, but was wondering if there's a way to test these functions first before replacing? I did test the power coming out of each wiring harness and both are good.
I'm thinking the culprit is one of these two items, but any help narrowing this down is greatly appreciated.
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UPDATE: Now the IAC
UPDATE: It seems that it was the IAC valve causing the engine not to idle. Probably should have checked this first, but was stuck on the p1450. Cleaned it up with some carb cleaner and now idling as it should.
However, I'm now getting a humming sound when I'm idling. The noise goes away once I accelerate, but is very noticeable at idle. I assume this means the IAC is going bad? Could I be overlooking something else?
However, I'm now getting a humming sound when I'm idling. The noise goes away once I accelerate, but is very noticeable at idle. I assume this means the IAC is going bad? Could I be overlooking something else?
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digitalbanzai
Explorer, Sport Trac, Mountaineer & Aviator
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Jul 11, 2006 12:17 PM
