Every since i got the car the check charging system appears. they ran test after test but can not find anything. i already replace the battery. and it cut on when i 1st start up the car then it goes away. when i driving pass 65 mph it won't come on but once i start to slow down it cuts back on. i need help please
Either the regulator in the alternator is acting up, or there is a problem in the engine computer.
Testimonial: "do you think i need to replace the whole alternator to see if that work?"
The regulator part can be replaced, but it is often less expensive and easier to just buy a replacement rebuilt alternator.
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SOURCE: battary light on , engine cut off car won't crank
sounds like it's your alternator, your alternator charges your battery and runs car once it is started. if you have a bad alternator your battery light will come on, and shortly after your vehicle will die, unable to restart without a jump. I would take your battery to autozone or an auto shop to have your battery and alternator tested.
SOURCE: 99 ram 1500. When it rains hard or for a prolonged
Check your Air Filter to see if it is wet, rain may be getting in the air intake.
Lone99star
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/jason_77a19afa8d604dee
SOURCE: 2002 Jetta 1.8t cuts offs sporadically
Here is the common cause of surges, 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.
SOURCE: my vw polo keeps cutting out. when it slows down
I had a similar problem on our Polo 1.4. I replaced the throttle sensor body which I bought online for about £100. It solved the problem and was easy to change with the right tools. VW garage wanted £350 for the part alone!!
G
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