You need to take your truck into a repair shop so they can read the code on their reader. You do not want to drive your vehicle with the check engine light on without knowing what the problem is. The lights are on because there is a problem; they should go off once the problems are fixed.
A flashing check engine light means that you have a problem with your engine that may cause harm to the catalytic converter.
Your mom.
disconnect the battery
sending unit in tank
The check engine light for the 2001 Isuzu Rodeo often comes on because of a sensor that is damaged or malfunctioning. The most common sensor is an oxygen sensor and when reset, this often allows the light to be reset.
My check engine light has been on for one month but last night my check trans light flashed off and on about 3miles till I was home. Why and what do I need to do? I have a 2000 Isuzu rodeo.
get a new one
You'll need a ODBII code reader to reset the check engine. The connection is under the stearing colonm. First check the code, clear the problem and the reset the light.
Have it checked for codes with a scan tool.
The check trans light may light up in an Isuzu Rodeo, because there are problems with the transmission, The light will show up on the cars dashboard.
Its the engine brake light
Lots of problems could cause the light to come on. First off, check your fluid levels; second, take it to a mechanic.