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    03 Mountaineer running rich only at idle, any throttle and it gets to almost 0

    I am running at -13 to -15 LTFT only idle, when I hit the gas at all it evens out to nearly 0 on both LT and STFT. I have diagnostic equipment. IAT, ECT sensor, throttle sensor, maf sensor all check out. No misfires occurring. fuel pressure okay, the regulator checks out. No leaks...
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    03 Moutaineer changed Intake manifold replacement issues

    followed all instructions and torqued in 2 stages. I now have a leak in the back passenger side. I pressure tested it and I can see the coolant leaking out. No where else. This leak was not there before the change. I cleaned the surface before installing new manifold. Any suggestions? I...
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    Fuel pressure of 60-66 normal? 4.6L

    Fuel pressure of 60 when the key is on the on? and a fuel pressure of 66 normal in idle? 4.6L 98,000 miles. 2003 Mountaineer.
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    2003 Mercury Mountaineer PATS Issue

    I have been doing some research on the PATS system. I have a 2003 Mercury Mountaineer (87,000 miles). We drove it to Wal-Mart perfectly fine. When we got back to the truck 30 mins later it would not start. Truck had no issues previously. Nothing. No turn over, no cranks. Battery is...
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