Question about 2005 Dodge Grand Caravan
Pulsing in the brakes is actually reflective of how ABS works.When you apply brakes,there are sensors which send a signal to a computer.The computer then tells the brakes to apply and disengage to prevent a skid.It happens very fast.If you are braking hard,you may feel the pulsing.ABS is also separate and would not likely cause anything with the check engine light.Although a loose wire on a sensor or one of the wheel speed sensors not completely rotating freely could cause it.I would think the latter would have appeared on the test though.It could be a situation where unless you catch it at the exact moment,it doesn't show up on the test.I had that happen with an intermittent internet connection.By the time I got through to a PERSON,they ran their own test and it was gone by then.
However,as for the check engine light,there are so many things which can cause it to illuminate that it has to be one of the worst things ever invented,seriously.There are numerous components which send a signal to the computer.If one even flickers for a split second it could cause that light.I have seen people spend literally thousands replacing everything which the diagnostic shop computer said to replace and that little $2 light was still glaring at them.Check your fluid levels.Oil,radiator,transmission,steering,brake.If they are good and your car runs fine,you really don't need to worry.Also,let the engine stop for a couple of minutes and do at least 3 readings on oil for accuracy if you haven't already.For transmission,you need to have your car on a flat level service.Let the car run about 5 minutes.Do several checks again to ensure accuracy.At least that's the way i do them(accuracy-wise)because i want to leave no doubt.A simple wrong reading could easily lead to big money.As long as your state's vehicle inspection does not require the check engine light to be off also.I have also seen where there was a major problem,just for example very low oil,and the light never came on.I have seen forums where 'techs' actually recommended to put a black piece of tape over the light which I would never suggest.
With the oil pressure light,one possibility could be that your oil pump is starting to have problems.It also could just be the pressure sensor.Just keep an eye on your temperature guage.If it starts creeping anywhere near the red,pull over and shut down no matter what.That alone could save thousands.Normal oil pressure is about 60psi.If you want piece of mind for at least that,it may be worth having it measured.
If you have any questions or need more help,just comment here and I will get an autolink to your post and reply ASAP.I really encourage responses so I can follow up properly as I know where you stand and asking someone else restarts all the explaining because we cannot see other 'Expert's' responses.Good luck,Greg
Posted on Feb 23, 2011
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Posted on Jan 02, 2017
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