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I recently purchased this 99 solara for my daughter. We have been working out the bugs, as the previous owner did little maintanence (had a title loan on it, so i asume she did NO maintanence).
I am getting the infamous p0171 code (lean bank 1) which from what I read could mean that almost anything is wrong with the car. The car is running smoothly, and doing decent on gas (in the mid 20's) so maybe its not an issue (I live in the lovely state of SC where you can drive anything on the road regardless of its condition, ie no inspections).
When I changed the spark plugs, wires, and coil packs the front three spark plugs were fouled pretty well with carbon. The back three looked great. They were factory type plugs (could have been original, I don't know, but were the correct factory plugs). I changed these because car was running rough sometimes previously and we had misfire codes. Car has run smoothly since. But I do have the p0171 code.
I don't recall if I ever found out which bank of cylinders is bank one and which is bank two. I am curious if the condition of the plugs could be a clue as to the CEL problem, or if rather it is a consequence. Also the PCV valve was fouled up worse than any I've ever seen, so I replaced it too. Just thought someone more knowledgeable than myself might say AHA!
I am getting the infamous p0171 code (lean bank 1) which from what I read could mean that almost anything is wrong with the car. The car is running smoothly, and doing decent on gas (in the mid 20's) so maybe its not an issue (I live in the lovely state of SC where you can drive anything on the road regardless of its condition, ie no inspections).
When I changed the spark plugs, wires, and coil packs the front three spark plugs were fouled pretty well with carbon. The back three looked great. They were factory type plugs (could have been original, I don't know, but were the correct factory plugs). I changed these because car was running rough sometimes previously and we had misfire codes. Car has run smoothly since. But I do have the p0171 code.
I don't recall if I ever found out which bank of cylinders is bank one and which is bank two. I am curious if the condition of the plugs could be a clue as to the CEL problem, or if rather it is a consequence. Also the PCV valve was fouled up worse than any I've ever seen, so I replaced it too. Just thought someone more knowledgeable than myself might say AHA!