Question about 2004 Ford F150

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Vehicle would not crank due to low voltage. Checked the battery fuild level and noted it to be half full, I filled it up with battery water and the vehicle cranks up and starts however it sounded sluggish. I drove the vehicle and did everything instructed in the owners manual regarding attaching the battery back up to the vehicle. It indicated that because of the eletronics the vehicle would have to learn the idle of the vehicle and the power pull of the A/C on. I drove the vehicle later on and noted that the engine would shut off on it's own when I came to a stop and let the RPMs drop down below 200 RPMs which I observed dip on it's own. It appears that the truck is having a difficult time idling. Would you know how to fix this?

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Clean yor maps sensor with senor fluid and have your battery checked it sounds like your battery packs are not holding a charge get it done soon befor you screw up the starter,beacuse the starter needs a lot of power to turn the motor.

Posted on Aug 24, 2010


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Make sure the battery has a full charge and battery connections all good. Engine cranking, the vehicle systems get battery voltage. Engine running, the vehicle systems get generator voltage, that can be several volt difference.
It seems like years ago I heard about removing spark plug on a vehicle that was hard to start, because of low battery. I tried it and it worked. Of course the engine was noisy as heck and it didn't run worth a darn, but, it started. In that example, I don't think it would matter which plug? I tried that about 50 years ago.
You can use digital multimeter across battery posts, everything off. The generic spec for a full charge is around 12.6 volts. Leave the meter leads touching battery posts, have helper turn key to crank, generic info says it shouldn't drop below 9.6 volts. If it drops way down, you need to get it checked out.
Also, if you have that spider fuel system, it is noted for problems.

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Most likely water in the heater core and the hoses or a ac drain plug is stopped up and condensation has accumulated in the system. Is there any dampness on the floorboard ?

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Antifreeze capacity

Usually what I do is I'll get two gallons of straight antifreeze. I'll take one and pour half into another empty jug then I fill both with water. Pour one in then the other one until it gets full. Then crank vehicle then fill it again

Mar 04, 2015 | Cars & Trucks

1 Answer

Battery light stays on

Sounds like it's a connection issue. First measure the voltage at the battery accross the pos/neg posts. Should be ~ approximately 13.2 volts (2.2volts per cell x 6 cells = 13.2volts). Check the cables - make sure they're tight and right (+ to positive,- to negative). You should not be able to move the cable connectors on the posts - they should be that tight. If the battery is a maintenance battery open the cells and be sure they're correctly filled to the full "ring" - if not full then filling won't resurrect a dying battery, but will give you an idea of health if the voltage measures low. You don't give information as to what region of the nation you live in. That can make a big difference. A battery in central states with average humidity can last 7 years, but the average is around 4. If you live in an arid part of the country the average can be as low as 2 years for the life of a battery. All batteries can fail. Some manufacturers have better reputations than others. If you maintain your battery (check the water level regularly and add DISTILLED water only) you battery will last much longer. Judging from the description you give you battery may have been signalling you that it was about to kick the bucket, but my money would be on a bad connection. If you have another vehicle and no means to test your battery, Walmart will test your battery for free. Good luck

Nov 08, 2013 | 2003 Jeep Liberty

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I added too much oil what to do?

I think that sparkplags get wet. Replace it.

Jul 26, 2013 | 2000 Isuzu Rodeo

1 Answer

How to pull limited slip differential axle

If before 1999 vehicle it's real easy....jack up vehicle pull the wheels off remove calipers and hang by wire pull rotors off....Now loosen all the bolts on the differentail housing cover with a pan underneath to catch the fuild and take the cover off ....drain all the rear end fuild....turn one axle till you see the lock screw in the pinion shaft {middle} take lock screw out then rotate the axle till you can pull the pinion shaft out.....then push on axle to release the C Lock holding the axle in and remove it ..then pull out install put axle in install the C Lock in groove on axle ...put pinion shalf back in check C locks are in right postion then tighten the pinion lock screw ..install cover with bead of silicon or gasket and all bolts fill with fresh rear end fuild {on right side screw out plug half way up housing} until it starts to come out fill screw plug opening Please NOTE 1999 and NEWER vehicles is not done this way...if it is do not attempt THIS WAY...ASK!!!!!

Oct 17, 2010 | 1999 Chevrolet Silverado 1500

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2005 maxima se with 37k miles service has been maintained according to owners is the issu........coolant resavoir tank was very low ..........filled it to the max line (coolant in...

You need to check the front of the engine. it's hard to detect a small leak at the water pump because it is hidden under the timing belt cover. look under the crank pulley for water trails. some times with small leak it wont make it down or is blown away. the cover has to be taken apart to be sure. if it is the water pump I recommend that you replace all components of the timing system. you only want to do this once. labor intensive

Jun 14, 2010 | 2005 Nissan Maxima

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98 gmc 2500 intermittent starting 7.4l engine. started one day went to store now wont start, went under it seems the starter kinda clunks once and does nothing, its like the starter drive engauges but does...

There are only two problems with electrical circuits. Too much amperage or too little amperage.We have to determine what you have.
An excellent test is to put your test meter red lead on the positive battery post and the black lead on the negative battery post. Crank the engine and record the voltage. Then place the red meter lead on the starter's battery terminal and the black lead on the negative battery post. Again crank the engine and record the voltage. The two voltages should be with in one half volt of each other. If the voltage difference is greater that one half volt, there is a resistance in the circuit, somewhere. I would expect the voltage to drop a volt or two, max
If the voltage dosent drop, there is high resistance resulting in low amperage. If the voltage drops too low then there is low resistance resulting in high amperage.
High resistance=dirty terminals
Low resistance = shorted wire, slow turning cranking motor maybe caused by bad starter, bad battery or hard to turn engine. ( engine bad, alternator or power steering pump bad, a/c pump bad, etc)
Can use head light for test. Turn on lights and note the brightness. Crank engine. If while cranking, the lights stay bright= high resistance.
If lights go dim = low resistance.

May 01, 2010 | 2005 GMC Sierra 2500HD 4WD

1 Answer

Engine sounded noisy & scratchy when i drove to school oil light on. Got back to car after 10 mins everything came on (radio etc) but when i went to turn it over everything just cut out like dead...

after the vehicle cooled completely and all the oil drained down it showed half full? that would mean it was anywhere from 2 to 2.5 quarts low? unless you mean that it showed halfway up the full / safe area on the dipstick.

the oil light being on usually means low oil or low oil pressure, if the vehicle still doesn't try to start after it is completely cool then you might have a locked up engine or multiple problems, check the oil again now that it has been sitting awhile look for water in the oil also check for oil in the water.

check battery connections again, make sure they are tight, if lights and such work then try to get a jump from someone. even new batteries can go bad

I would definitely be worried about that oil light though.

good luck and I hope this helps.

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1 Answer

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Jan 30, 2009 | 1991 Honda Accord

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