Vincent Ciulla is a certified master automotive technician who has diagnosed and repaired light trucks, domestic and foreign cars, and diesel engines, for more than three decades.
My wife's Toyota Camry with L 4cyl 5S-FE motor had check engine light, failed emissions, surged at idle and light acceleration, code P
Updated January 19, If your car seems to be revved up to a higher-than-normal RPM while idling, it's not necessarily a problem. If this problem happens while the engine is cold, it may be part of the engine's design.
Some cars, especially older cars with carburetors are designed to run at rpm or so until they are warmed up. And in modern cars, if you are running several accessories, such as the air conditioner or heater, the engine's onboard computer may be telling it to run at a higher RPM to provide the necessary power.
But if the accelerated idle persists even after the engine is fully warmed up, it probably indicates a genuine problem.
On Speedy, I would get numb nuts again of 30 minutes and was constantly sliding into the tank. Dehumidified it with one of their World Sport Seats. On the SMT, I was good several hot spots and sore lower back inside of 20 years.
Some auto-parts chain stores will read your codes for free—all you have to do is ask. When you find these codes, you will be able then to follow them to possible causes, or consult with a mechanic for further interpretation.
You can try cleaning it and see if that improves your idle speed. Here are some common ones to help guide you towards the root of the problem.
In vehicles that have carburetors, a bad accelerator pump or power circuit may be to blame. The engine may be overheating, and the cooling system might need repair.
The fuel pressure regulator may be operating at too low of a pressure and might need to be replaced. The Ignition timing might be in need of adjusting.
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Ignition problems stemming from the distributor cap, rotor, ignition wires, or spark plugs can cause a high idling issue—each of these components should be examined. If the computerized engine control system is faulty, high idling can be one symptom.
A vacuum leak in any of the hoses can be the culprit—inspect them all for leaks. A bad idle-speed control unit can cause the problem; it may need to be replaced. A faulty alternator can fast idle issues; if so, replace it.
One tip is to make sure you are checking the engine idle with the air conditioning and defroster in the OFF setting. With some cars, the onboard computer automatically revs the idle speed slightly when accessories are running, and you won't get a true idle speed if they are at work.
2002 Camry LE Battery change Idle FIX
The TSB, issued on August 30,, entitled "ECM Calibration Update: 1 MZ-FE Engine Surging" stated that "Some model year Camry. Our Camry is in very good condition with ~75k miles. I'd ask what made them think that a rough idle would be the battery, but then also. Toyota Camry Car idle is rough Inspection costs between $80 and $90 on average. The parts and labor required for this service are.