High TPS voltage

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Apr 23, 2019 | 06:06 PM

Splitter

Thread Starter

Newbie

Joined: Mar 2019

Posts: 6

Likes: 0

From: Boise, ID

Year: 1991

Model: Cherokee (XJ)

Engine: 4.0

High TPS voltage

I've got an OBD1 code 24 saying the TPS voltage is to high. I can see an issue causing it to have low voltage, but to high? What could cause that?

Apr 23, 2019 | 07:12 PM

Cummins93

CF Veteran

Joined: Mar 2015

Posts: 1,203

Likes: 154

From: Northern CT

Year: 1995

Model: Cherokee

Engine: Turbo 4.0

It can happen. Back probe the sensor if you doubt the OBD and confirm the voltage sweep.

Apr 23, 2019 | 11:17 PM

fb97xj1

CF Veteran

Joined: Dec 2015

Posts: 3,038

Likes: 338

From: PA

Year: 1997

Model: Cherokee

Engine: 4.0L

Use safety pins to backprobe the connector if your probes dont fit. Dont force them or you can damage the connector.

Apr 25, 2019 | 03:36 PM

Splitter

Thread Starter

Newbie

Joined: Mar 2019

Posts: 6

Likes: 0

From: Boise, ID

Year: 1991

Model: Cherokee (XJ)

Engine: 4.0

The problem got fixed with a new junkyard TPS. Wasn't a wiring issue, but bad sensor

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