You will notice a lack of constant power in the motor while starting the machine.Check out if the cable is connected to the power source properly, and it should be damage-free.So, if the starter switch is not responding, here are the few things you can do: A defective or unresponsive button won’t help your run on the machine. Unresponsive Switch Why Is My Lawnmower Cutting Out - Starter SwitchĮvery electric-powered lawnmower comes with a starter switch. Fortunately, you can replace the cord if it is damaged. You want to use a multimeter to detect the problem as it is not physically visible. So, why the cord becomes faulty? Using the cable not carefully (like continuous plugging, pulling, and flexing) will make it prone to damage. Include pre-emptive replacement of the water pump.Also Read: Growing Tomatoes With Artificial Light in 2023 – Expert’s Advice Ernie Ball Instrument Cable, 1/4' Right Angle, Neon Yellow, 10 Ft. With this engine, a timing belt failure could allow contact between pistons and valves, resulting in catastrophic engine failure, so a new timing belt makes perfect sense. Under severe service conditions - operation at ambient temperatures under minus-20 degrees or above 110 - replacement is recommended every 60,000 miles. I want to maintain the car and continue to drive it for a number of years and would value your opinion on this repair.Ī: Acura's service recommendation for this vehicle and engine, as outlined in my ALLDATA automotive database, calls for timing belt replacement at 105,000 miles/84 months under normal operating conditions. I can't seem to find any definitive recommendations from Acura or on the Internet about this repair. He said the belt should have been replaced at the seven-year mark or 100,000 miles. My Goodyear dealer has continued to propose replacement of the timing belt and water pump.
Q: I have a well maintained 2003 Acura 3.2L TL-S model with 114,000 miles. I'd also test for injector pulse widths from the PCM to confirm that the fuel injectors are being commanded to open/close on a hot restart. If the cooling system hasn't been serviced recently a power flush may lower coolant and underhood temperatures measurably.Īnd to cover all the bases turn the ignition to the "on" position and listen for the fuel pump to run for two seconds and then stop, confirming that the fuel pump relay and fuel pump are operating properly. In addition, make sure airflow through the A/C condenser and radiator is clear and unobstructed. And try different brands of fuel, looking for a fuel with a vapor pressure less prone to this issue. Pop the hood open to the safety catch position to allow hot air to escape from under the hood. Idle the engine for 30 seconds before shutdown to allow coolant to carry residual combustion heat from the cylinder heads into the radiator.
#Fix vapor lock how to
The first few injector pulses bleed air from the rail and, as fuel pressure returns, the engine starts.īut how to eliminate the problem? Start with three simple steps. Using water to cool the intake stops the percolation. Even though fuel pressure may be "normal" when tested with the engine running, I suspect fuel pressure drops quickly after shutdown due to percolation. When this occurs, fuel pressure fades due to the aerated fuel disrupting fuel delivery from the injectors. The proper term is fuel percolation, which describes residual engine heat boiling the ready fuel supply in the fuel rails near the plenum/intake manifold. The car will start right away and will run perfectly until the next no-start condition.Ī: I can't recall a better description of vapor lock. In the summer I carry a jug of water in the trunk (in winter I use snow) and in a no-start condition I pour about a quart of water on the intake plenum. In a no-start condition the spark will jump a gap of at least one inch at the coil. Fuel pressure is normal but a new regulator was installed along with a new MAF sensor. There are no intake manifold leaks, either vacuum or coolant. After shutting the engine off it will start immediately - if you don't wait too long! Engine operating temperature is normal, it never overheats and has a new thermostat and ECT sensor. When it won't restart, you can crank it until the battery runs down but the car won't start. The car has 128,000 miles, never shuts down while driving, starts and runs perfectly in the morning. My 2001 Buick Regal will not start after a shutdown and heat soak. Q: Here is a problem that I have fought for almost two years.
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