I got the code they are as follows (15) (23) (45), the only 1 I need help with is (23) what are some of the causes for (23)I know it's has a bad end on coolant sensor that's (15) also know it getting to much gas carb that's (45)but need so help with (23) ????? THANKS FOR ANY HELP GUYS!!!!!!

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maxz1

Manifold air temp sensor. Looks like a small coolant sensor. Two wire sensor with tan and black wires. Sounds like your on the right track. tom