2003 Camry, 90,000 miles, daughter's car. The starter was sluggish but would start. The horn would honk erratically on it's own. The alarm LED (left of steering whell below instrument panel) stays on all the time. The car will die at idle in gear but runs if in neutral and gassed a little. She had a new battery installed yesterday but the problem continues, except for the horn situation. Check engine light functions normally (comes on at start then goes off). She's 500 miles away from me!
Any help appreciated.
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Well normally with toyota you change your belts about every 90,000 and spark plugs every 100,000 and if you havent changed your antifreeze then you will, they say toyota red antifreeze is suppose to last 5 years but i would change it every 3 because it breaks down just like regular oil does. and i would get done the tranmission fluid normally you change that every 40,000 since its just like oil.
probably the fuel pump. turn the ignition on but don't start the vehicle and listen for a humming noise for about 5 seconds. that is the fuel pump pressurizing the lines if you don't hea any noise that is most likely your problem.
With time your throttle body gets gummed up with oily residue from the PCV system. As this happens, the computer adapts to the restriction it causes in the throttle body. When you unhook the battery, these learned values are lost and the default settings for idle control are used. Unfortunately the default settings are no longer sufficient to keep the idle correct with it all gummed up.
Take your intake hoses off the throttle bodies and clean the insides (open the throttle plates for better access) with a rag and some brake parts cleaner or throttle plate cleaner, available from your local parts store.
Reassemble and start the car, your idle problems should be gone immediately.
Bring it to Auto zone parts store to check if any trouble codes are present they will hook up a scanner for free, the code if present will point you in the right direction if no codes are present the car most likely needs a tune up, when these vehicles get older the fuel injectors become less efficient and need professional cleaning, O2 sensors should be changed every 60 to 80,000 miles whether the check engine light is on or not.
I HAD SAME PROBLEM SOLVER OF MY MOMS 1996 CAMRY ABOUT HORN GOING OFF AND CAR WOULDN'T CRANK. JUMPED IT OFF AFTER A FEWW FRANTIC MOMENTS OF HORN HONKING-- FOUND OU IT WAS AN ALARM THING AND YOU CAN SHUT IT OFF BY TURNING IGNITION KEY TO ON POSITION AND MOVING TOGGLE SWITCH AT DRIVER KICK PANEL TO OVERIDE THE HONKING HORN PROBLEM--STILL NOT SURE WHAT CAUSED IT TO DO THIS AT BEGINNING. BATTERY WAS FULLY CHARGED AND HEADLIGHTS REAL BRIGHT TOO. COULD HAVE BEEN A DOORLOCK MANUAL MALFUNCTION--BEEN OK FOR A WEEK NOW.
Check the voltage at the battery. It should be in the 12.5+ volt range. Check your connections also to be sure they are clean and tight. A quick check to see if there is enough juice to crank the engine over is to turn the ignition switch to start and at the same time honk the horn. If the horn blows and the starter does not crank, you probably have a bad starter.
The starter is located on the radiator side of the engine block and is held to the transaxle by 2 bolts. Follow the positive cable to the starter. Hope this helps;