Saab seems to be pulling some timing and boost when it's warmed up fully. Not sure if the fuel map is off or what's going on. I should probably just hook up the wideband O2 I have sitting on the shelf so I can actually log fuel trims accurately.
Saab seems to be pulling some timing and boost when it's warmed up fully. Not sure if the fuel map is off or what's going on. I should probably just hook up the wideband O2 I have sitting on the shelf so I can actually log fuel trims accurately.
After a couple more months of daily duty, I haven't really noticed it pulling timing. I think there was still some carbon on the valves that was creating some weird hotspots when warmed up and that issue has subsided. I do have a mystery oil leak now though. I don't believe it to be the oil cooler lines that I have delayed replacing because it's cold. I think it may be PCV system related because it's coming from somewhere on the back side of the motor but not from the valve cover. The other thing that makes me think it might be PCV related is the oil cap and dipstick will have a white murky goop on them like from moisture mixing with oil but I don't have any oil mixing with coolant in the reservoir or overheating issues. I'm at a little bit of a loss on this right now, this car was getting driven this winter because it didn't leak oil like the Yukon. I'm very tempted to just fix the rear main leak on the Yukon and sell the Saab this spring. If I get a job offer somewhere warmer in the next couple weeks the Saab is absolutely going up for sale.
The oil pressure sender on those is on the back of the engine, behind and down from the starter, and are known to leak. Its not a terrible job to swap but I found it easier with the starter unbolted.
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