Sputters on initial startup and again also 15-20 minutes after shutoff and restart
Sputters when trying to accelerate on initial startup and also 15-20 minutes after car was shutoff and restart. Sputtering last for approximately 5 minutes before engine smoothes out and until it is shut off for about 10-15 minutes then the same process starts again. What are my possible troubles.
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Re: sputters on initial startup and again also 15-20...
Fuel pump, clogged fuel injectors, bad gas.... could also be a timing problem among other things depending on what you mean by sputtering.... my advice find a shop that will diagnose the car for free( like AAMCO). hope this helps :)
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When was the last time that the carburetor was stripped and cleaned? Also have you checked the fuel filter? Finally, the problem seems to come and go as the engine is run (and it gets hot) check that the fuel line and any electrical cables are well away from the hot engine as far as is possible.
Have you ran trouble codes yet? Most auto stores have a reader you can use now a days. Problem sounds like fuel overload at lower rpm and can be caused by bad throttle position sensor or mass air sensor.
its the cam shaft or drive shaft sensor. since your probably trying to restart it over and over again you are resetting the computer so you get no codes. have a 2000 and it did the same thing tell i gave up trying to start it and took it towed it to my house and had it tested.
Are you loosing power to the ecu when the car is shut down? most cars with an ECU that controls timing, fuel, or boost can be forced to relearn the car if the ECU looses power (called a "limp" mode). I'd look into this. Also are you getting any check engine lights? considering the description of the problem, this would help to diagnose. Try getting the car started and running normally, then turn the car off but do not kill the power to the car, just stop the motor from running...Fire the engine back up and try to give the car a good stomp on the gas and see if you get the same sluggish problems...my 2 cents... Good luck future auto DIY's