NO 4TH AND NO OVERDRIVE

1999 Isuzu NPR

Tiny

murfit

March, 8, 2009 AT 10:15 PM

Transmission problem
1999 Isuzu NPR 4 cyl Two Wheel Drive Automatic 112k miles

spedo not working in dash sensor s both good gear for spedo not brooken wiring `looks good at connector

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3 Answers

Tiny

James W.

March, 9, 2009 AT 1:13 AM

Are you getting a check engine light? Are all fuses good? Any more information you can give us will help solve your problem. Please advise.

Tiny

murfit

March, 9, 2009 AT 7:35 AM

Fuses all good no light on but it did have a lot of codes cleared them spedo code came back both sensors good clock not registering 123 shifts perfect

Tiny

James W.

March, 9, 2009 AT 11:20 AM

If driving and driven gears are both good, It is probably the vehicle speed sensor. You should be able to verify this with a computer diagnostic unit with vehicle either running on blocks or doen the road. If VSS checks good, it must be the speedo head itself.

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