Question about 2006 Hyundai Accent

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Low voltage output from alternator

Has new alternator that has been retested and shows 14.5V output. Have changed the battery, so is new with 12V output, along with changing battery ends which was not corroded but did have a crack. The battery light is remaining on along with the emergency light is staying lit on the dash. We changed the motor from an '06 to an '07, all hook ups matched except a Map Sensor. When the diagnostic was run on the engine, we had a misfire on cylinder 1 & 4, changed coils and now we have no codes reading. If anyone might can give me ideas on the charging system, please help cause I am at a loss.

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  • Hyundai Master
  • 3,828 Answers

14.5V output. is to spec on a new alternator
at rest battery will be 12 volts
whats the problem

Posted on Apr 16, 2017

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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maklean
  • 1665 Answers

SOURCE: Misfire on cylinder 1 and 3

Do you observe abnormal idle speed? It may be just an indicator fault; not a really engine firing problem.
Sign up free at link http://ww.hmaservice.com/
You will find a lot of technical information for your model.

Posted on May 20, 2008

  • 14 Answers

SOURCE: my 2000 hyundai acc

Possibly coils check compression make sure the plugs are the proper ones some engines are particuler about the plugs

Posted on Mar 04, 2009

  • 87 Answers

SOURCE: '02 accent GS misfiring & O2 sensor slow response

HI first off the O2 slow resp code is an exhaust leak and not the O2 sensors itself. Slow resp codes is due to to the O2 reading 2 much oxygen or to little exhaust caused by a leak. Now on to the more important. first thing you should do is go buy a can of starter fluid or 2+2 gum cutter and spray it near the injector number one if the intake gasket is or the injector is leaking the car will sputter than run ok for about a second and then start miss fireing again. Dont buy a coil yet. Try this. get a plastic spray bottle and fill it with alittle luquid soap and the rest water. spray the coil pack and look and listen if you hear a clicking noise or a a blue sparking arking off of the coil, also do tis with a your spark plug wires. One last thing if your spark plugs are not ngk thay are wrong and that also maybe part of your problem.

Posted on Mar 28, 2009

  • 166 Answers

SOURCE: stalling and hesitation, all 4 cylinders misfiring, once warmed car seems to run ok

There are various questions to ask in order to help you.
When does it stall?

If it stalls when the AC of the car turns on, then this handy diagnostic article will help solve your problem:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Stalls_When_AC_Turned_On.htm

Likely applicable to your situation--since you say the car runs fine when it is "warmed up"--when the car stalls because the engine is NOT warmed up and is otherwise cold, this handy diagnostic article will help solve your problem:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Stalls_When_Cold.htm

And as to backfiring when you initially run your car, this handy article really helps in identifying the common causes of such a problem:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Backfires.htm

This should help.
Good luck!
Brad

Posted on Jun 01, 2009

edwardjwoods
  • 372 Answers

SOURCE: TCS ABS lights on & alternator not fully charging

Alt shoud be putting out 14 to 15.2 volts.

Posted on Jul 25, 2009

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3 Answers

How much voltage the charging system should be?


13.7 volts is within the correct charging range. While charging it should read between 13.7 and 14.7.
How old is the battery and the alternator? If the vehicle is difficult to start and you are worried, get a good mechanic to 'Load Test' the battery for voltage output. You could also have the alternator output tested to see if it is charging at the correct rate. A good Auto electrician can do both of these jobs for you.

Oct 28, 2018 | Chevrolet Cars & Trucks

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2011 dodge grand caravan engine malfunction light keeps coming on. Dealer traced it to a bad battery, had a new one installed and codes disappeared. Now light is back on. Codes P0740/P0562 show up


P0740 torque converter malfunction
Possible causes
Low or dirty transmission fluid
Faulty torque converter clutch solenoid valve
Torque converter clutch solenoid valve harness is open or shorted
Torque converter clutch solenoid valve circuit poor electrical connection

P0562 charging system voltage low
Possible causes
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Jul 04, 2016 | 2011 Dodge Grand Caravan

1 Answer

Battery light is on after installing a junkyard alternator....why is that?


Did you have it checked before you installed it to insure it was working properly? Have the battery load tested, could be bad.
Recheck all of the connections and fuses to insure they are correct and tight/blown.
If that all checks out good then check the output of the alternator and battery voltage. Alternator won't charge a dead battery.
Battery voltage should be at least 12V on a 12V system and the alternator should be producing between 12-16V depending on voltage demands. Check belts for slippage and condition.

Most auto parts stores will check the electrical outputs for free with a meter if you don't have one or the means to obtain the tools.

Apr 19, 2016 | Cars & Trucks

1 Answer

Putting out 18 volts


get another battery test battery voltage should be 12v start your engine test again should read 14v any figure above 14v is dangerous note some batteries has negative effect on alternator output.

Aug 15, 2015 | Cars & Trucks

1 Answer

After i changed my alternator, my check charging system light and battery light comes on, also, my idle is very low now. when I pull up to a stop, truck stalls, I checked my alternator output and its at...


Was the light on before you changed the alternator? Check a couple of things: Check the connections if one is loose you may be running mainly off the battery but still show it's charging. Have you checked the battery under a load? Try checking the battery voltage with the car off and turning on the headlights. What does it read? 12.2 sounds like you may have a dead cell or if you have a bad connection you may be draining it. Sometimes a battery may show correct voltage but when load is applied it drops like a rock. if this happens replace the battery. Did the idle change when you changed the alternator or has it always been low?

Dec 29, 2010 | 2004 Ford F150

1 Answer

Overcharging Alternator


Very short lesson on the charging system. Remember this, The higher the voltage the less the amps.in turn low voltage, high amps. When the Alternator is charging at or above 15v, It is virtually pure voltage and as a charging device is cooking your battery, not charging it. The alternator, though defective, is safe and your battery is in harms way. When an alt. is charging at or below13 volts, The charging amperage is approaching max output of the alternater, which, if maintained at that rate will overheat and cause alt, failure, The proper charging range is 13.6 to 14.2. Each end is the limit just short of maximum and eminent failure. Example: charging at 12v means the alternarer is at max output and is in danger of sling solder, litteraly. When you smell dulphur coming from the battery, The alt. is running wide open on the voltage and your batt ison death row. So, back to your problem. One more thing. All accessories that are designed to operate on 12v are art risk of being damaged from excess voltage. Some have a voltage limiter to protect against surges but not all. Oh, That is one heck of a hot alt at 140 amps. Is that original equipment? Well, I know I may have rambled a bit but I hope it helped you understand how it works so you can come to the conclusion I have. The Alternator has a bad regulator and is in whole or part defective. Good Luck, Ned

Nov 12, 2009 | 1999 Cadillac Seville

1 Answer

New battery when i turn on the heat. my battery light came on? why


The alternator should be tested for its operational value in this case. There may be some issues with the charge rate.

Testing the amperage output of the alternator is good for measuring the amount (not the level) of voltage the alternator can produce. This test can be tricky because if the alternator is weak it can still show it as producing amperage. Which is good, but if the voltage is low, it will still allow the battery to go dead. To check the amperage output of an alternator an amp meter is needed. Once the meter is connected start the engine. Next turn on all electrical accessories and raise the engine idle to about 1200 RPM. The alternator should output the max amperage it was designed to produce. Example: a 90 amp alternator should output about 88 amps. Note: An alternator cannot sustain maximum output for long periods of time. If the alternator is forced to operate at maximum output it will overheat and fail. An alternator is designed to operate at max amperage output only for a reasonable amount of time.

((Connect the voltage meter lead the same way you would in a battery static voltage check, Start engine (do not drive) at engine idle the voltage should be between 13.6 to 14.3 volts. If not the alternator may need replacing.)))

Oct 08, 2009 | 1999 Ford Contour

2 Answers

Causes of low battery voltage and solution


i had the same problem with my dash saying battery voltage low and the problem was my alternator. took it to the dealership and it cost me $400.00 to replace a connector on the alternator because for my year car a (2002) they don't replace entire alternator.

Apr 18, 2009 | 2002 Volvo S60

2 Answers

2001 chevy silverado 1500 v8 battery drain after sits for 1or2day


, do a simple test on the charging system...check battery voltage. should be 12v or better. start engine & check volts at idle, no accessories on. volts should read 13.5 -14v. Turn on all accessories(including headlamps on high) volts should drop slightly but should not creep down. Definitely not below 12.5. If voltage drops lower than 12.5, the regulator (in the alternator) is not working. either change regulator or change entire alternator. Alternator drive belt should have sufficient tension so that alternator cannot be turned easily by hand. If it can, check belt tensioner.

Mar 18, 2009 | 2001 Chevrolet Silverado

1 Answer

Honda S2000 engine installed in kit car. How do I wire alternator


Unfortunately the Honda alternator is regulated by the ECU, which allows the ECU to intelligently reduce alternator engine loading to improve fuel consumption. The intelligent system uses an electrical load detector (ELD) located near the battery to control the alternator output voltage. A two wire alternator has an inbuilt regulator that will always generate the required charging voltage. When a battery is fully charged and the electrical loading is low there is no need for generating the charging voltage, in this situation the honda alternator will reduce the output voltage to reduce engine loading, hence improved fuel economy.

Jan 29, 2009 | 2003 Honda S2000

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