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SportTrac Discussion
Engine & Drivetrain
A new problem
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<blockquote data-quote="Jim Tarr" data-source="post: 1025344" data-attributes="member: 66768"><p>I replaced the thermostat with no problems. A little tight working area but all in all not too bad. Thanks for the advice. Now it's throwing two codes. PO171 and PO174. Bank 1 and 2 are lean. Would that indicate a vacuum leak? Is there anything obvious to look for or perhaps re-do my assembly proceedure? Thanks for any ideas you may offer. Jim:angry:</p></blockquote><p></p>
[QUOTE="Jim Tarr, post: 1025344, member: 66768"] I replaced the thermostat with no problems. A little tight working area but all in all not too bad. Thanks for the advice. Now it's throwing two codes. PO171 and PO174. Bank 1 and 2 are lean. Would that indicate a vacuum leak? Is there anything obvious to look for or perhaps re-do my assembly proceedure? Thanks for any ideas you may offer. Jim:angry: [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
A new problem
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