When I start my car the RPM goes up?

Common causes of high RPM excursion at start-up are typically: large vacuum leak, throttle plate stuck open, cruise control stepper motor stuck in one position; faulty throttle position sensor, and/or faulty idle air control motor or solenoid.

What should the engine RPM be when first started?

It is normal for the engine rpm to go up to about 1200 to 1400 rpm when first started and then comes down gradually. This is for emissions during cold start and considered normal.

When do I start my car the Revs go up?

Q: Engine revs way up when started, then behaves normally. If the car has recently been started, it doesn’t have this issue. When the engine is started for the first time each day, the engine revs way up, and the RPMs gradually go down to normal idle speed.

When to shift to the next gear on the RPM gauge?

When you accelerate, shift to the next gear before your RPM gauge needle enters the red line area. If your car’s engine is hesitating during acceleration, it should be inspected by a mechanic as this could be dangerous in situations like where acceleration may be necessary.

Why does my car idle at 1500 rpm?

If your car always idles at 1200-1500 rpm whether the engine is warm or cold it points to a problem with tuning or a faulty component. Modern vehicles are equipped with an ECU which acts as the brains of the car. Among other things, the ECU will control the air/fuel mixture and ignition timing at start up.

What are the drive cycle procedures for a Jaguar?

Using WDS, check for and clear flagged DTCs. Start engine and bring to normal operating temperature > 82 °C (180 °F). Drive the vehicle in 3rd gear at 2500 rpm. Maintain a steady speed for 1 minute, then lift foot completely off accelerator and coast for a minimum of 10 seconds. We do not have the procedures at this time.

How long does it take to idle a Jaguar OBD-2?

Start engine and bring to normal operating temperature > 82 °C (180 °F). Drive the vehicle between 3000 – 4000 rpm at a steady speed. Lift foot completely off accelerator and coast to a stop within 30 seconds. Do not touch accelerator pedal for 4 seconds after coming to a stop. Repeat step 3. Idle engine for 11 minutes. Downstream oxygen sensors:

What should the engine temperature be in a Jaguar OBD-2?

Oxygen sensor heaters: Start engine and bring to normal operating temperature > 82 °C (180 °F). Idle engine for 3 minutes. Start engine and bring to normal operating temperature > 82 °C (180 °F). Idle for a minimum of 10 minutes.

What to do when your Jaguar says restricted performance?

First and foremost, always use an OBD scanner to run diagnostics when you get the Restricted Performance message. If you’re a “do-it-yourselfer” but don’t own a scanner, you can go to any local auto parts supply store and use theirs. If you prefer to take the car into a Jaguar specialized mechanic, they have a diagnostic scanner.