Table of Contents
What causes a check engine light to come on in a diesel engine?
One of the most common reasons for seeing the check engine light is the aftertreatment system. Diesel trucks have a nitrogen oxide (NOx) sensors, similar to the oxygen sensors in a car. Before the catalyst, the NOx sensor measures parts per million of NOx being produced by the engine.
How do I fix the check engine light on my dashboard?
An even simpler way to clear the engine management light is to turn the ignition on and off. This approach achieves the same outcome as the previous step, but without disconnecting the battery. Turn the ignition on and off three times, pausing a second between each cycle. The engine management light should go off.
Is the cel on in a 2001 Isuzu Trooper?
2001 Isuzu Trooper and CEL is on. I changed the EGR valve, cleaned the port, changed intake gaskets, changed PCV valve, change air filter, changed fuel filter and it still is on. It is very sluggish during initial acceleration.
How do you read Check Engine light codes?
When the Check light comes on, there is also a code stored in the computer, which can be read by a OBDll code reader. Autozone and most part stores will read it for free. Get the name AND the code number and that will give you specific reason for light. Then you can research possible remedies. Hope this helps. One guys opinion.
Where is the Check Engine light switch?
Located on RH side of engine near rear. It has a wiring connector and two bolts that hold it in place. The only way to verify it is working is to use a Tech 2 and monitor it while running.
What was the problem with my 1994 Dodge Trooper?
1994 Trooper SOHC-One day it just didn’t start, no warning signs. Checking to find the problem, I found hole in the radiator and fluid very very low. Have been doing oil changes at Dodge Dealer and they never mentioned the fluid level, just topped it off.