The fuel/ temp gauge has not worked since I bought my vehicle, and my speedometer, odometer, and trip meter just recently went out. We have replaced fuel pump, fuel pump relay, master cylinder, slave cylinder, fuel pressure regulator, fuel sensor, and a new gauge cluster. And still nothing.. What else should I check for?
Fuses? Blown fusible link? Most gauges work by getting 12 volts from the ignition switch when on, and getting a ground from the sender. Often the 12 volt supply wire goes to more than one so if dead, both will fail. If you have a wiring diagram, you might find which wire to cluster should be hot, and trace it backward to find the issue. Easier to check for ignition switch feed first.
I have already checked all that and the fuel gauge is just now starting to work again, but now we are pretty sure that we are leaking fuel somewhere because we go through $15 worth of gas in less then 20-30 miles. It's now getting stuck in 4wd after it being in 2wd. And 1st and 2nd is having issues going into gear, but has plenty enough clutch fluid
In all honesty, with the $200 I already put into it, and replacing almost everything with new parts.. Would it be worth it to fix? Or just sell it? Oh yeah.. Not to mention the torsion bar slipped off and our alignment / suspension is all sorts of f***ed-up please someone help!!! :)
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The IPC detects a loss of class 2 communications with the PCM.
Fuel Gage
When the fuel level is less than 14% (84ohms), the low fuel indicator illuminates.
Speedometer
The IPC displays the fuel level as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the fuel level percent. The fuel gage defaults to empty if:
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The PCM detects a malfunction in the fuel level sensor circuit.
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The IPC detects a loss of class 2 communications with the PCM.
Odometer
The IPC contains a season odometer and a trip odometer. Momentarily press the trip select/reset switch in order to toggle between the season odometer and the trip odometer. Press the trip select/reset switch for greater than 1.5 seconds, while the trip odometer is displayed, in order to reset the trip odometer. The IPC displays the vehicle mileage and trip mileage as determined by the IPC. The IPC calculates the mileage based on the vehicle speed information from the PCM. The odometer will display 'error' if an internal IPC memory failure is detected.
PRNDL Display
The IPC displays the selected gear position as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the gear position. The PRNDL display shall flash all gear positions if:
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The PCM detects a malfunction in the transmission range switch circuit.
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The IPC detects a loss of class 2 communications with the PCM.
The IPC displays the vehicle speed based on the information from the PCM. The PCM converts the data from the vehicle speed sensor to a 4000 pulses per mile signal. The IPC uses the vehicle speed signal circuit from the PCM in order to calculate the vehicle speed. The speedometer defaults to 0 mph (0 kph) if a malfunction in the vehicle speed sensor circuit exists.
Tachometer
The IPC displays the engine speed as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the engine speed. The tachometer will default to 0 rpm if:
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The PCM detects a malfunction in the engine speed sensor circuit.
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The IPC detects a loss of class 2 communications with the PCM.
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