Question about Hyundai Motor 2002 Sonata
First check the fluid level on trans dipstick while engine is running,on flat ground and in 'park' a low reading may be the cause.I always like to change the fluid and filter when I have a transmission fault in the shop,but normally I wait until fault is located so as not to throw out the evidence(but I recommend to do).This type of fault is usually caused by dirty fluid in the trans not allowing valve body to function correctly, or a fault with the electronics,they being usually a speed sensor on the trans, or the throttle position sensor(tps)on the engine throttle body,It is better to have the vehicle engine and transmission computers(ecu)checked on a scan tool for any fault codes logged,this will save hours and $$.check around there are a huge number of scan tools out there for the home handyman(just ensure it does your car type),or check out the local garages,Prices can vary for this service,but it is quick and easy to have done. Prior to fault was there any work done on your car?I often get them in with plugs not reconnected or damaged by messy workmanship.A WORD OF WARNING! Do make sure that you have the correct trans type fluid for this model,most take an atf 3 type but some are cvt trans and they do not run on this fluid at all!trans codes should be on the vehicle ID badge.
Posted on Mar 22, 2011
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Posted on Jan 02, 2017
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