Question about 2010 Chevrolet Express Passenger

1 Answer

Why doesn't it charge at idle?

Wont charge under 950 rpm,s over work,s fine under alt turn,s offstep on gas turn,s on new alt an battery

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  • Chevrolet Master
  • 3,767 Answers

It depends if the system is RVC/regulated voltage control. If so, there are about six modes of operation. One is, "fuel economy mode". In that mode, the targeted generator out-put is 13 volts and battery state of charge is greater than 80%. There are two other conditions.
Is there a battery discharge problem? Does the instrument cluster give charging system message or warning lamp?
Any charging system trouble codes? My info on your charging system is limited.

Posted on Apr 28, 2016

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 55 Answers

SOURCE: 96 dodge ram 3500 diesel

Check the large probably 100 amp fuse under the PDC cover. Is this a 12 valve or 24 valve engine? If it's a 12 valve, it may be a bad crank sensor. It tells the PCM to turn on the ASD relay which supplies power to the alternator field.

Posted on Oct 19, 2008

csmock132
  • 4669 Answers

SOURCE: 1998 Express van Turn signals

You loose all turn signal lights outside? Do they blink on the dash?

Posted on Feb 27, 2009

BLAZZ81
  • 281 Answers

SOURCE: chevy astro van turns over but wont start when

Check to see if the fuel pump is kicking in,
when you turn the key on without starting the van you should hear it kick on for about 2 seconds,

It could be...
A clogged fuel filter...
Blown fuse for the pump..or bad pump relay..
No gas
Bad fuel pump

Posted on Mar 07, 2009

  • 303 Answers

SOURCE: 2000 chevy express 1500 van having starting issues

Start with fuel system. Listen for fuel pump humm at fuel tank No humm check wiring to pump for power. Then check for spark at plugs and wires. Remove wire from coil and hold near engine and see arch when you crank. No arch. Replace ignition Modular inside distributor cap or cap or rotor

Posted on Feb 04, 2010

  • 326 Answers

SOURCE: air bag light wont go off after cycling 04 chevy express

YOUR VEHICLE HAS DETECTED A FAULT IN THE AIRBAG CIRCUIT IT WILL HAVE TO HAVE CODE RETRIEVAL DONE TO DETERMINE WHAT CAUSE LIGHT TO STAY ON,I URGE YOU TO DO THIS SOON AS WHEN AN AIRBAG SYSTEM HAS GIVEN A FAULT CODE AND TURNED ON THE LIGHT THE SYSTEM IS DIABLED AND WILL NOT PROVIDE PROTECTION IN ACCIDENT

Posted on Mar 15, 2010

Testimonial: "I tried what you suggested, and it worked the light cycled an went out thanks , david"

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What curb idle rpm for2003 kia vehicle


idle speed for most modern cars is 950 rpm. Instead of guessing what the problem is try running the fault codes to find which sensor is causing the problem

Dec 19, 2014 | Kia Sedona Cars & Trucks

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New battery new alternator battery still wont charge ??


91 , (is the charge lamp glowing key on, (shoe drops)?????
there are many ways to make it stop doing 13.3v to 15vdc running,
lots. ill list them all..
the 2 stated. in blue above. and.
1: bad dash lamp this lamp boot staps the field current or the alternator is born dead. so is it dead key on, , yes, BINGO.

2: bad alt ground, or starter top bolt , ground to battery bad or loose.
3: bad wires to the rear of alt. all 3.
4: bad battery cables. (or just corroded ends or conn. wrong)!!!
5: alt belt loose or missing.
6: engine hot RPM not 750 to 850 Rpm if 500 BINGO.
and more.
http://www.fixkick.com/Charging/charging.html

here is the drawing.
IS the sense wire is dead, not 12vdc.???

http://www.fixkick.com/Charging/charge89.jpg


the reg inside can shut the ALT down for.
over voltage
over current.
or if it THINKS(sic) that the batter internal resistances is too high. for ANY REASON what so ever. it will shut down
these protections prevents the ALt. from blowing expensive electronics (all of it) to kingdom come. $$$$$

its a feature.

Jul 08, 2014 | 1991 Suzuki Sidekick

1 Answer

My 1994 honda passport will not stay charged new altnator and new battery


is the engine running at 800 rpm or more.
if engine RPM is way low the Alternator will die out.
trans light , where is that? name it. exactly
lets focus first on the engine, and RPM
does the dash have a tachmeter, ? yes, then use that.
we keep a hand tachometer (optical , ready for no tach cars)
RPM is everything.... maxwells laws. and such.
1: rpm 800 or more all the time. rule 1, do not skip this.
2: belt to ALT not slipping'
3: battery good. terminals on battery cables tight both ends and
NOT PACKED in green corrosion, .
4: alternator case is grounded good.
5: The connection and ALT, all good.
6: you key on, and the dash charge light must turn on,
if not fix that now, on old cars, the dash light , causes the ALT to self excite, if the lamp burns out the alternator boots up DEAD.
or fails every other car starts. (does)
7: new alt is the wrong alt. zillion wrong ones, only 1 works.

Jan 30, 2014 | 1994 Honda Passport

1 Answer

Charging system voltage low


there are only 3 parts. but the causes are 25 or more.
1: belt missing slipping,
2: engine rpm below 800 RPM (lots of ways ,ask )
3: ALT had.
4: wiring to ALT bad.
5: bad battery or its connections, (wires)
6: bad fuse. see fuse link a11? on fFM page 20?
7: car is PCM alt controlled, it can be bad too. see 2 field wires on ALT and PCM on page 20? below?
8: battery temp sensor bad. making PCM think battery overheats.
the fSM covers all tests above.

pick car here, then pick charging.
5 alternators used on the 5 diffr.engines. got the wrong one?

the see wiring diagrams at end and chapter 20 inside, charge.
pdf page 118 for gas engine, if diesel next few.

Jan 07, 2014 | 1998 Jeep Cherokee

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On 3rd alternator ,cant get them to charge the battery and in turn they keep burning out


First have battery checked at shop that knows what they are doing.

Aug 07, 2017 | 1995 Dodge Neon

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Battery not charging light comes on at idle rmp


SOUND LIKE ALTERNATOR NOT CHARGING BATTERY.BEFORE BUYING A NEW ALTERNATOR CHECK ALTERNATOR WIRES AND FUSE.IF YOU HAVE TO REMOVE ALTERNATOR.TURN OFF RADIO BEFORE REMOVING NEGATIVE BATTERY CABLE.SO YOU WONT LOSE PLAYING CODE.

Apr 18, 2010 | 1998 Cadillac DeVille

2 Answers

1998 k1500 5.7l 105a alternator. replaced


Now change the sulfated batery for a new one.
Vitally

Sep 09, 2009 | 1998 Chevrolet K1500

1 Answer

Wont Start


Your alternator should put plenty of voltage out at an idle, you might take it out and have it checked.
Most local parts houses have the equipment to check them without charging you.
If the alt is not working your car will run until the battery goes dead and alot of cars wont run without a charged battery and alternator not working.
You might also have a problem with the voltage regulator, or I should say that that is where your problem may lay.
Good luck

May 20, 2009 | 1988 Porsche 944

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