Sadly the 70mph and 3 grand problem is something that cant be fixed. its because of the gearing these little kias have. believe it or not these were designed for offraoding. one thing you can do is go to a larger size tire a 235/75/R15 fit stuck with little or no rubbing and will bring the highway rpms down but the speedo will be off. as for the check engine light. get us a code and we can help with that too.
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if the wheel alignment is faulty ( castor wobble ) at 70 mph there is no way that you can describe it as a vibration as it virtually rip the steering wheel out of your hands. If it is a torque converter problem then at around 3850-4025 rpm stationary there will be a vibration of the vehicle and engine The sort of vibration that you are experiencing at 70 mph will come from a drive line problem. If rear wheel drive then it could be faulty "U" joints, worn slip joint or failed rear engine mount
If front wheel drive it may be cv joints or bent drive shafts,wheel bearings or brake callipers not moving freely on the mounting bolts.
no engine size stated, so NO exact answers. ever.
same as all cars in the USA> from easy to risky
1: push the scan tool , reset. (any scan tool made works)
2: pull the hot all times fuse to PCM memory (fsm show this)
3: pull battery neg lug, (this will kill radio station programming)
the newer the car the worse #3 gets.
its on because there is a problem.
why hot scan it and see what the poor thing is attempting to tell you.
DTCs dump the DTC'S and post them.
then clear it, and drive fast for 20 miles to see if it comes back.
What you replaced is the APP(accelerator pedal position) It is part of the electronic throttle control,what was truly needed is know as the TAC MOTOR. This recieves signal from the APP.The TAC is what accelerate the car.The only thing you can do other than replace the TAC,is do a TAC relearn .Turn thhe key off. wait ten seconds,Turn key on with the engine off.leave 1 minute. Turn key off start the vehicle you will hear the TAC motor setting itself.
press the gas pedal on the floor and turn the key on then real fast mash the gas peal 3 times fast on the trird time hold it on the floor tell the oil light resets it self count to ten. should work just fine.
Turn key to run, click the engine but do not let it start then relax back to the run position. You will now see the security light on
After about ten minutes light will go off.
Turn key off and back on to run within 5 seconds
Repeat above procedure for a total of 3 ten minute relearns.
Hello! Any major auto parts retailer can scan your computer and pull the details of the error code that's causing the check engine light to come on. My first guess would be that you have a crankshaft position sensor issue, but the details from the code reader will tell you for certain.
1- turn off the engine. 2- press and hold the select/Reset button on the instrument panel, then turn on the ignition switch ON (II) 3- Hold the button for approximately ten seconds until the indicator resets