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Why does my 2000 Sunfire engine keep sputtering?

Why does my 2000 Sunfire engine keep sputtering?

Same problems with 2000 sunfire replaced all the usual suspects plugs wires,tps,coils,idle sensor turned out to be ignition control module was gone once i replaced the module check engine light went off the car worked fine ever since. 3 people found this helpful.

Why does my 1999 GTP engine keep sputtering?

My 1999 GTP experienced the sputtering problem at 28,000 miles and it was the result of a defective wiring harness. I assume this to be very unusual but it can be the cause. Best of luck. 30 people found this helpful.

Is the car engine still sputtering and shaking?

The same sputtering and shaking that you report. My engine had only 28,000 miles on it at that time and now has 122,518 miles and runs smoothly and produces a bunch of power. I still enjoy owning it. 31 people found this helpful.

Why does my Ford F150 engine keep sputtering?

A sputtering engine can indicate a number of problems. If your Ford F150 has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter. Your F150’s engine is a giant pump. It pulls in air (where it is measured by the mass airflow sensor).

Same problems with 2000 sunfire replaced all the usual suspects plugs wires,tps,coils,idle sensor turned out to be ignition control module was gone once i replaced the module check engine light went off the car worked fine ever since. 3 people found this helpful.

What causes engine hesitation and stumble problems in Z Cars?

1 Introduction Every couple of months a Z car owner somewhere cries out “Help, my car is suffering from hesitation/stumble: what could be wrong?” . These types of problems can be a pain to track down, and if the problem is an intermittent one, it can be months before the cause is found.

Why does my Mitsubishi Starion have engine hesitation?

As another example, I still have a 1987 Mitsubishi Starion, which ran perfectly for 35,000 miles. Then it developed an intermittent hesitation problem- you would be cruising at 60mph, on a 400 mile trip, ease off the gas pedal, and suddenly for 1/4 second, it was as though someone had switched off the engine and then turned it back on again.

Why does my car hesitate when I hit the gas?

Whenever you took off from rest, the harder you jumped on the gas pedal the deeper and longer the hesitation. At higher revs the engine seemed to be a slightly down on power. Thinking the problem was related to vacuum, fuel delivery and improper fuel air ratio, I spent a lot of time looking at things in this area, but how completely wrong I was.

Why does my car sputter and hesitate at idle?

I thought maybe it was that Sock thing clogged thats attached to the pump causing a problem in a specific operation range. -I should note that the car is running extremely lean regardless of the pressure of fuel going in according to my wideband. It is reading 18-20 AFR at idle .

My 1999 GTP experienced the sputtering problem at 28,000 miles and it was the result of a defective wiring harness. I assume this to be very unusual but it can be the cause. Best of luck. 30 people found this helpful.

The same sputtering and shaking that you report. My engine had only 28,000 miles on it at that time and now has 122,518 miles and runs smoothly and produces a bunch of power. I still enjoy owning it. 31 people found this helpful.

Why is my motorcycle ( engine ) misfiring?

There is a problem with the ignition system, causing a weak spark. The fix: If your vehicle has them, check and replace distributor cap, rotor, ignition wires, and spark plugs. Otherwise, have the coil packs looked at. There may be a fault in the computerized engine control system. Check engine control systems with a scan tool.

What causes a car to buck at high speed?

We’re not talking about a knocking engine or one that idles rough or stalls. We’re talking about engines that start easily and accelerate smoothly, but then, after a few minutes at a steady speed, either surge in speed or misfire, causing the car to “buck.”

What should I do if my engine is surging?

There may be a fault in the computerized engine control system. Check engine control systems with a scan tool. Have a mechanic test the circuits and repair or replace components as required, since this is generally not a DIY job. The fuel filter may be partially clogged. This is an easy fix! The fix: Replace the fuel filter.

What should I do if my car engine is running poorly?

The good news is that, in many cases, an engine that is running poorly can be repaired for very little money. Performing maintenance tasks like replacing worn spark plugs, inspecting plug wires, or even replacing an old, partially clogged fuel filter can make a huge difference in how well your engine is running.

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Ruth Doyle