What makes a Honda Accord idle high?
A faulty or blown fuse in other electronically controlled systems can cause the Idle Air Control (IAC) motor to malfunction, leading to a higher than normal engine idle speed. Malfunctioning Throttle: A malfunctioning throttle system can cause both a high or low idle as well as an engine stall.
What causes high idle on a Honda Accord?
Its called the FITV (Fast idle thermal valve) Its a simple little thing like this that can cause a lot of idle issues, Such as, Idle bouncing around, Idle surge, It can also cause a high idle. Its a simple little fix and could save you alot of money in the long haul.
What do you do when your Honda engine is at idle?
An easy way to find one of these faulty PCV valves is to pinch off the supply line to the PCV valve with a pair of pliers while the engine is at idle. If the idle smoothes out when you do this, replace the PCV valve with an OE unit.
Can a aftermarket PCV valve cause idle problems?
If you see an aftermarket PCV valve, exchange it for an OE valve. Believe it or not, I’ve seen idle issues caused by aftermarket PCV valves on Honda’s. The OE PCV valves last just about forever so you can easily justify the expense. I will admit however that the OE valves sometimes come apart internally and cause idle problems.
What should the idle speed of a car be?
Place the vehicle in gear and check that the idle speed remains between 700 and 800 rpm. Check the idle speed with all accessories on (lights, radio, fan, etc.), and the A/C off. The idle should remain at 700 to 800 rpm. Make idle speed adjustments slowly. The small mark below the 1,000 rpm mark is 750 rpm.
Its called the FITV (Fast idle thermal valve) Its a simple little thing like this that can cause a lot of idle issues, Such as, Idle bouncing around, Idle surge, It can also cause a high idle. Its a simple little fix and could save you alot of money in the long haul.
How to fix Honda idle issue ( FITV )?
Its called the FITV (Fast idle thermal valve) Its a simple little thing like this that can cause a lot of idle issues, Such as, Idle bouncing around, Idle surge, It can also cause a high idle. Its a simple little fix and could save you alot of money in the long haul. I clean my out every so often just to be sure it’s still functioning properly.
How do you check the idle speed of a car?
Check the idle speed with the car in neutral, the fan switched on “HI” and the A/C on. Find the idle speed adjusting screw on the throttle body. It is located at the top of the throttle body, next to a vacuum line. Rotate the screw until the proper idle speed is reached.
Where is the idle speed adjusting screw on a car?
Find the idle speed adjusting screw on the throttle body. It is located at the top of the throttle body, next to a vacuum line. Rotate the screw until the proper idle speed is reached. Place the vehicle in gear and check that the idle speed remains between 700 and 800 rpm.