DECELERATION VAC. SWITCH

1991 Ford Ranger

Tiny

Ronson

April, 24, 2011 AT 4:25 PM

I recently had a check engine light. When I connected to my code scanner I received a DTC52 which is power steering pressure switch circuit open. I do not have power steering. There was also a DTC12. It initially read that the deceleration vacuum switch was open constantly. Where is the switch located so I can replace it. Thx.

FOUND 17085 RELATED QUESTIONS

2 Answers

Tiny

Docfixit

April, 24, 2011 AT 6:19 PM

What code 12 means is unable to control RPM during test likely cause Idle air by-paas see diagram

Tiny

Ronson

April, 24, 2011 AT 6:40 PM

Thanks for the info. I have another and will change out. Will check for power first.

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