Why is my car bogging down




















This happens when the computer thinks something is out of whack that could be a safety concern or damage the engine, like low oil pressure, or a problem with the transmission. Once you get the codes, type them in here and hopefully some guesses on what to do next will be proffered.

Why does my car die when I put it in drive? When car is put into reverse or drive, the engine sputters and then seizes up and dies. Once the transmission fluid is checked most common faults are the torque converter, Idle air control valve, vacuum leaks, or a wiring harness fault. How do you clean a fuel pump? Clean rust and debris from the top of the fuel tank. Remove fuel pump. Swirl gas tank. Clean the tank interior with a low-suds soap and water mixture.

Swirl cleaning solution inside tank. Can bad spark plugs cause sputtering? Bad or Dirty Spark Plugs: Spark plugs are responsible for igniting the fuel in the combustion chamber.

If they are not working correctly or are dirty they don't ignite the fuel cleanly and the car can misfire or sputter. Vacuum Leak: A leak in the vacuum system can lead to a sputtering or rough running engine. What does it mean to bog down?

Definition of bog down. The car got bogged down in the mud. It is time the accelerator is depressed too much. At that point it may rev high but it sticks right here at whatever the rpm. Is and will not accelerate. It feels like its running out of gas. Lift your foot and depress the accelerator again and it will begin a slow acceleration but it does accelerate unless you give it more gas at which point the process repeats.

I was going to double check the timing marks this weekend though I am certain I got them spot on. This is an interference engine timed to the number 2 cylinder at tdc and it works on a four cycle rotation to get the marks. I would think even if I were a notch off by now the motor would be trashed and the belt I replaced though about to snap was. It didn't jump. Timing my friend drove it. With the thing flapping until I finally told him it had to be done and did it for him.

Lets me use his other car and owns the house I live in so I am trying to help him out with this and I am failing miserably. I tested his coils found one bad. Verified by the number 2 plug not firing and him being electrocuted was all he needed to know to convince him to change the wires, lol.

His old plugs were gaped to. I checked the EGR and that's good too, by the way. I will do as you suggest and check the pressure regulator tomorrow. Thanks for the response I will let you know how it goes. Here is some new information that just appeared out of the blue:. A misfire began last night very noticeable. He vehicle by the say at idle ran fine.

No bogging down whatsoever and accelerator pedal and fuel supply and spark were all in sync. I used a spark tester and I can see the misfires I got three of them. Cylinders and 5. Oddly this is the entire right hand bank of the V 6 and more oddly it represents only one tower on each coil and it is an intermittent miss coming from just those 3 cylinders. The steering wheel lock solenoid could have lost power intermittently causing the lock to engage when the key is in the ignition switch.

The solenoid could be damaged and needs replaced in the steering column. I recommend seeking Before you decide to have the catalytic converter replaced in your vehicle, consider performing the following checks: Check the following: A damaged or failed oxygen sensor The oxygen sensor wiring damaged or connected improperly The engine coolant temperature When my van sits overnight it won't start until I jump it.

Check the battery for any parasitic load applying to it. To do this, make sure that the battery is fully charged and remove the negative battery cable from the battery.

Then put a digital meter cables on the negative battery When I crank my car the at light comes on then disappears Hi There, When you turn the key to the on position prior to turning the engine over, the AT light may come on for a few seconds as the car is running through a series of system checks. This is Corrosion on starter terminals Corrosion on the terminals will definitely impact the flow of current to the starter.



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