Emission Controls
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New User
Joined: Jun 2000
Posts: 10
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Emission Controls
I need help. I got three codes while using a code scanner on my '94 Explorer. 186:Injector pulsewidth higher than expected or Mass Air Flow sensor voltage is lower than expected, 327:EGR Valve Position sensor, Pressure Feedback EGR sensor, or EGR Pressure Transducer signal voltage too low, and 332: Insufficient EGR flow detected. Where should I start? Has anyone encountered similar problems? What is the right way to start correcting this problem? Thanks for the help.
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Joined: Apr 2000
Posts: 1,746
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From: PNW
Emission Controls
I would start by cleaning the MAF. It's easy to do and it doesn't cost anything. Go here for the procedure: http://www.glue.umd.edu/~singletn/web/pages/ping.html
If you go to the main menu for this page, you'll see other topics related to the EGR. Check it out. Don't forget to reset your computer to clear the codes when you're done.
If you go to the main menu for this page, you'll see other topics related to the EGR. Check it out. Don't forget to reset your computer to clear the codes when you're done.
