What causes flat spots when accelerating?
What causes flat spots when accelerating?
Water in the fuel, dirty injectors, fuel octane rating incorrect, vacuum leaks about the manifold area, the cam belt and valve timing being out or bent, slightly burned valves, the throttle body being very dirty, water in the computer or corrosion on the connectors, or the ECU random access memory being faulty are some …
Is there a flat spot on acceleration from stop?
Mine didn’t cough and splutter but definite, huge “flat spot” on acceleration from stop. Changed coil pack and all good. Mine doesn’t couph or splutter when P or N is selected. The idling has actually got smoother after putting in new coilpack and spark plugs.
Is the flat spot on acceleration a VCT motor?
Check the top of the motor. If its a red colour with “VCT” embossed on it, then its a VCT motor, if not then well…its not. XR6T 400kw (well one day!) Check the top of the motor. If its a red colour with “VCT” embossed on it, then its a VCT motor, if not then well…its not.
Why does my car hesitate when I step on the accelerator?
Instead of going faster by stepping on the accelerator pedal, the speed will be reduced. The vehicle may even stumble entirely during these seconds. This is what it means when the car engine hesitates. It is usually the result of a problem with the air and fuel mixture within the combustion chamber.
What are the symptoms of a bad throttle position sensor?
A faulty throttle position sensor sends incorrect information to the ECM resulting in various issues in the engine, its performance, and fuel economy. Below are common symptoms of a faulty TPS. In most of the cases, all of these symptoms will show together making it easier to detect the faulty component. 1) Car Jerks
What causes a flat spot on a 009 distributor?
Rob Boardman gives a good discussion of the problems associated with the 009 distributor. The 009 distributor does often cause an acceleration flat spot, as it does not have the vacuum advance adjustment of the original distributor.
Why are there flat spots on the throttle?
On earlier systems, where the TPS system is fitted on the throttle body, these spots were quick and easy to find/check as when flat spots would occur during acceleration, complete lack of power would be evident and emissions would be high on idle.
What causes a car to have trouble accelerating?
Symptoms. Rough starts, hesitation and poor acceleration are all common symptoms of a bad spark plug. If a spark plug or multiple spark plugs are faulty, they will have trouble creating the spark that causes the ignition process in your vehicle.
What happens if you have a bad spark plug?
If a spark plug or multiple spark plugs are faulty, they will have trouble creating the spark that causes the ignition process in your vehicle. This results in your vehicle having trouble starting,hesitating or having issues with accelerating properly.Rough starts, hesitation and poor acceleration are all common symptoms of a bad spark plug.
