vaccume leak??
Mountain Pass
Joined: Nov 2002
Posts: 242
Likes: 8
From: Cape Coral USA
If you do have a vacuum leak the O2 sensors on both banks (one on each exhuast header) should have turned the warning lite on for a lean condition. I believe the code is actually 170 and 171 - 2 codes, one for each side.
This has recently happened to me on both my Merc Sable and my 97 150. In both cases I had a leak on the PVC line. It was the rubber boot directly connected to the intake manifolds.
This has recently happened to me on both my Merc Sable and my 97 150. In both cases I had a leak on the PVC line. It was the rubber boot directly connected to the intake manifolds.
Thread Starter
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Junior User
Joined: Jan 2004
Posts: 54
Likes: 0
From: st. cloud,mn
ok thanx guys i will check out the intake and lines, yes the truck runs like crap, idles really ruff, hard starting, i have scanned it and theese are the codes i get, p0304, p0306, p1000, which are #'s 4&6 misfires, can lean problems cuase this?? also, koeo? p1000, koer, p1151, p1000, p1138, p1157, p1703, p1116, any ideas?? just replaced plugs and wires thats when the problems started, actually burned up #5 plug, fuel pressure is good 35psi and holds, coil seemed to test good to, so any more ideas would be great!
