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poor mileage 700

posted by  someone claiming to be TXyankee on  Mon Apr 30 13:16 CST 2007 [RELATED]

I've been trying for a while to get my meager 19 highway mpg (15-16 city mpg) closer to normal but without any luck. I've already read through the FAQs but nothing seems to apply. I have no power problems, no electrical problems, no AMM problems and no vacuum leaks. Just crappy mileage.

Other than the mileage issue she runs fine.

Thanks for any advice!




PS- Three details:

- its a 760T

- I ran my car for about 1-4K miles with the wrong AMM (Long story). During this time, the car ran very rich and belched black smoke that would make diesel exhaust look clean. By the time I realized I had the wrong AMM, I had replaced almost the entire fuel delivery system (including pumps, injectors, filters, you name it-i replaced or checked it).

- My car always stalls when cold-starting. From the FAQs, I'm pretty sure its a bad/dirty Idle Air Control, but maybe its linked.










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New poor mileage [700]
posted by  someone claiming to be TXyankee  on Mon Apr 30 13:16 CST 2007 >
  • New poor mileage [700]
    posted by  someone claiming to be fixit2003  on Tue May 1 03:07 CST 2007 >


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