Question about 1998 Ford Escort

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Motor races and car cruises at 35 mph. The fuel injector has been cleaned once. I only use Shell, BP,and at the lowest grade Citgo mid-grade gas. The problem disappeared for most of the summer but it has returned with the cooler weather. I have to keep my foot on the brake in slow traffic and especially when backing up since it is in direct ddrive. When backing up the roaring of the engine gets quite a bit louder. When the engine is racing like this, after applying the brakes to stop, the car stops and jumps forward a bit.

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  • patti_jo213 Nov 18, 2009

    Thank you. Although I am not an auto mechanic, your explanation makes sense, no pun intended, to me.



    Do I get my codes read at AutoZone?

  • patti_jo213 Nov 18, 2009

    The solution made sense to me and I am going to follow up with this.
    HALHBEC gave a good, quick answer. Very helpful.

  • patti_jo213 Nov 18, 2009

    Thanks for your response. I appreciate it.

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You have a sensor issue that is sending false information, that is ultimately affecting the fuel delivery. Your injection system decides on the proper fuel air mix by processing information gathered from a series of sensors that detect engine temp, outside temp, humidity, and air pressure, to adjust to the prevailing condition. The fact that it changed with the weather verifies this. Have your codes read and interpreted and they will reveal which sensor needs replacing. You can have this done free of charge at an advance or auto zone and also purchase the new sensor there. Good Luck. I hope you find this very helpful!

Posted on Nov 18, 2009

  • Hal Hallman Nov 18, 2009

    Yes, they will do that service for free in hopes of selling you the replacement part. Good Luck. I hope you found this very helpful!

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