check engine light on toyota?

Question

check engine light camo on in my 1990 4 runner 2 weeks ago,....now when i start her....me brake light and battery light are on as well......i drove about 10 miles the other day then the lights got real dim, i was afraid to shut it off..........lil bit later.....the lights got real bright again.....any ideas

Answer 1

take it to the dealer and have it fixed dude

Answer 2

Replace the battery if its 5 years old. Make sure the battery cable connections are clean and tight when you install the new battery. Then measure across the battery terminals with the engine idling. If you measure less than 13.5 Volts DC using a Digital Multimeter, you probably have a charging problem and need to have your alternator checked at an auto store.

Answer 3

A quick and easy (also free) way is to take it to Auto Zone. They will have a device that will check what is causing the Check Engine light to come on. Plus they can tell you if your battery or alternator needs replacing....that kinda sounds like what it is.

If not, the device will spit out a code and tell you that you need a sensor or something to that effect.

Answer 4

I don't know where you live but in Texas you can take it to a place that has machine that hooks up to your alternator and battery that will tell what is wrong with your vehicle. It cost $40.00. Inexpensive way to see what's wrong.

Answer 5

Get your charging system checked, most common is bad alternator.

Answer 6

advance auto, orielly, auto zone etc do free diagnostic checks they'll tell ya whats wrong with it .

Answer 7

Take it to autozone or o'reily's and they'll diagnose it for FREE and it takes about 2 minutes.