Skip the auto shop - Our mechanics make house calls

Q: How many computers does my truck have?

asked by on

How many computers does my truck have?


A: Hi, thanks for writing in. An Isuzu NPR sho...

Hi, thanks for writing in. An Isuzu NPR should have one ECM (engine control module), which is the computer. This is the brain of your vehicle. It is what regulates your fuel to air ratio as well as all electrical. If you would like help with an electrical part of your car, consider having an expert automotive technician from YourMechanic come to your home or office to inspect your vehicle for you, and make or suggest any repairs as needed.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Slow crank no start, 1997 Ford Mustang

Hello. Slow cranking can be caused by a few things. If the battery is new, I would make sure that it is fully charged as a low battery can cause slow cranking. I would also carefully examine the battery cables...

Q: new distrbutor and module still stalls at red lights could the ecm be going bad

It certainly sounds like you are on the right track. I would recommend replacing the ECM to determine if it resolves the issue. I would also recommend checking the circuitry near this computer to be sure that no wiring problems...

Q: First gear shifting issues - 1999 Isuzu Amigo

Hello. If your vehicle is experiencing shifting issues and has not had the transmission serviced after nearly 100k miles, it may very well be time for a service. Automatic transmissions operate using the fluid pressure to shift automatically. If the...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.