2.3L SOHC Trouble code help | Ford Explorer - Ford Ranger Forums - Serious Explorations
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2.3L SOHC Trouble code help

cmccul002

Member
Joined
March 29, 2008
Messages
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Year, Model & Trim Level
Ranger 94
Well, the truck is still running, but I have some trouble codes.

I didn't want to start a new thread, even though the truck is now running.

I got some continuous memory code:

172 - Heated Exhaust Gas Oxygen (HEGO) sensor- voltage signal indicates "Lean" (Bank #1)

181 - Heated Exhaust Gas Oxygen (HEGO) sensor- voltage signal not switching: indicates "lean" during part throttle engine operation (Bank #1).

332 - Insufficient EGR flow detected.

542 - fuel pump circuit open connection - Electronic Control Assembly (ECA) to motor ground,

Then KOER test -

172 - Heated Exhaust Gas Oxygen (HEGO) sensor- voltage signal indicates "Lean" (Bank #1)

332 - Insufficient EGR flow detected.

538 - Insufficient RPM chang during Dynamic Response test (Engine Self Run Test)
 






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