Question about Subaru Cars & Trucks
Starts fine, will drive for a few mins fine then just start accelerating rough and then 80% of the time I am slowing down or stopping it will start shaking and smelling like gasoline then if I come to a complete stop it will often stall out completely or drop to 400rpm and then idle back up to 600/700rpm
This could be a lot of things. one of the tests that you need to run is shift it into nuetral when you are stopping and see if it still drops RPM and wants to stall. This will eliminate or conclude that it is a transmission issue. If it is still doing this then it could be a vacuum leak or fuel delivery issue.
Posted on Feb 13, 2014
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Posted on Jan 02, 2017
Change/thoroughly clean the idle control solenoid. It may be sticking and causing rough idling.
Cleaning it is unlikely to be more than a short-term solution.
Posted on Jan 07, 2009
SOURCE: 1994 Sentra running rough
thanks for asking , i am sorry to tell you that the problem you asking for could be for a lot of reasons , but , i will try to help you by tell you some things to check it , first you should be sure that the car is not over heated , and and the sparks are good , and all the cylinders are working properly and that by removing each spark wire but every one separately and see if any change happen ,if no change happen with one of the sparks so you found the problem and it is that you r car don't work with all it's cylinders , but if that will not be easy for you to do it your self , so be sure that if you driven the car to a local garage no damage will happened , and don't worry that shouldn't cost you a lot of money , and thank you for using fixya.
Posted on Jun 26, 2008
SOURCE: low idle stalls out
Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on Mar 13, 2009
Tips for a great answer:
Here are the most common causes of idle surge, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake
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After replacing brake rotors and pads,
brake pedal remains on floor?
accelerator pedal sensor?
For rough idle issues and problem troubleshooting,go through the help links provided below :----- van idles rough?
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Erratic idle on car?
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