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Why does my car only misfire when cold?
When the engine is cold the fuel sits in the cylinder and causes a misfire on start up until the cylinder clears its self. This might explain why it is not setting a fault code.
What causes engine misfire on startup?
An engine misfires. Engine misfires can be caused by a list of faults, but there are a few suspects that occur more than others. The primary villains are simple – spark or fuel – usually manifesting in spark plugs, plug wires, the coil(s) or the fuel-delivery system.
What causes a Toyota truck to misfire after a cold start?
Truck runs fine from a cold start, and continues to run fine once it warms up. But once you stop, shut the engine off, and come back to restart it while the engine is still warm, it’ll misfire/run terribly. Strong vibration, low power, hesitation, flashing CEL. If you let the engine cool off completely and restart it, it’s fine again.
What causes a misfire after a warm up?
Misfire After Warm Up: Misfire After Warm Up. Runs Great When Cold… Misfire after warm up. Runs great when cold. Has new engine new plugs wires injectors when starts misfiring can shut down start back up and runs fine until a few minutes then starts again. have the same problem? This sounds like you have an intake valve that is leaking.
What should I do if my car misfire after warm up?
Has new engine new plugs wires injectors when starts misfiring can shut down start back up and runs fine until a few minutes then starts again. have the same problem?
What happens when engine gets up to temp?
Loses power after engine get up to temp, runs good cold f… Truck runs great cold when it gets up to temp the power decreases greatly. new fuel pump, new fuel filter, new air filter has been hooked up to two different computers and it’s showing no codes at all. New muffler and dual pipes,the old ones were bad. im at a loss and so are my mechanics