How to Solve Caterpillar C9 Engine Throttle Position Invalid?

This instruction show you guide on how to solve Caterpillar C9 engine fault code 32 91-8 throttle position invalid.

The Engine Control Module (ECM) detects the following conditions:
The 8 volt supply is less than 7.5 VDC for more than one second.
·The ECM has been powered for more than three seconds.



What you need?
Caterpillar CAT ET 2026A
Cat comm3 adapter

The accelerator pedal position sensor is used to provide a throttle position signal to the Engine Control Module (ECM).Sensor output is a constant frequency signal with a pulse width that varies with the pedal position. This output signal is refered to as either a duty ycle or a pulse width modulated signal (PWM) and this output signal is expressed as a percentage between 3 and 100 percent.

Fendt 900 Vario COM III A051 ECU Engine Flash

Fendt 900 Vario COM III A051 ECU Engine Flash

The settings (engine power, engine cut-off speed,governor behaviour, engine configuration etc.) have
been saved in the engine software (engine data record and operating software).
The engine software is installed on the A051 ECU, engine control unit

WARNING: If the A051 ECU, engine control unit is programmed with engine software that does not match the chassis number, any claims under warranty will be invalid.
The person carrying out the programming is responsible for correctly carrying out the procedure and may be held liable if it is carried out incorrectly.

JCB 3CX 4CX Loader Machine Regulator Valve Adjustment Guide

This instruction show you guide on how to  adjust regulator valve for JCB 3CX 4CX loader machine.

If a new regulator valve is fitted, or a valve stripped,cleaned and rebuilt, then the pressure spool should bebacked off to a low pressure. This will prevent inadvertent damage to the pump.

 

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How to Solve Deutz EMR3 90 / 94 / FlPSCD Fuel Pressure Error

Here is instruction show you guide on how to solve Deutz engine EMR3 controller module 90 / 94 / FlPSCD Error FUEL PRE PRESS.



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MANITOU MT6034 Primary Fuel Filter/Water Separator Replacement

Here is the instruction show you guide on how to replace primary fuel filter/ water separator for MANITOU MT6034.

 

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2026 Manitou I.V Interactive View Diagnostic Kit Software

 

Procedures:

1 Thoroughly clean fuel filter assembly and surrounding area.

2 Loosen vent screw (D) on the top of the filter head several turns.

3. Disconnect water sensor wiring (B) from the (A) filter.

4 Loosen drain plug (C) and drain fuel into a suitable container.

5. When fuel has drained, turn the drain plug out completely.

6 Using a filter wrench, remove the filter (A) from the filter head.

7 Inspect filter head for cleanliness. Clean as required.

Kubota L3301/L3901 Tractor Steering Gear Box Service

Here is an instruction show you guide on how to perform steering gear box service for Kubota L3301/L3901 tractor. 

 

 

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Scania Truck ALM 512 Micro Switch Door Lock Driver's Side Short Circuit

Here is the instruction show you guide on how to solve Scania truck Micro switch door lock driver's side (truck)/micro switch A1 (bus), short circuit.

 

What you need?

Scania SDP3 2.69.3 Truck diagnostic software 

Scania VCI 3 Tool

Error identification
The micro switch is short-circuited to the voltage supply.