Could be any number of things, from an open gas cap to a short in the ignition system, etc. Take the truck to someone who can scan the code.
disconnect the battery for 5 to 10 minutes
yes, i have a 1987 Toyota truck and it has one. Can't see why a later model wouldn't
That depends entirely on the reason why the check engine light is on.
You can get a diagram for a 1983 Toyota truck 22R engine at various auto part stores. You can also check in the owner's manual.
i just changed my batterys out on my truck now my check engine light is on?
That is the check engine light. Looks like a picture of an engine.
ODO
No
Yes but, if the light is flashing no.
There is not one sensor. All the ECM sensors are tied to the check engine light.
check engine light code on my 2001 gmc truck
check engine light code on my 2001 gmc truck