Lack of starting power

Tiny
D. CORE
  • MEMBER
  • HYUNDAI
HI GUYS/GALS, I AM THE OWNER OF A 1995 HYUNDAI ELANTRA 5-SPEED (MANUAL). YESTERDAY, WHILE MAKING SEVERAL ERRANDS AROUND TOWN, I NOTICED SMOKE COMING FROM THE EXHAUST (BLUISH) WITH AN ACCOMPANYING METALIC AROMA, MY FIRST THOUGHT WAS THAT I NEED GEAR OIL WHICH I TOPPED OFF. SHORTLY AFTERWARD I MADE MY LAST STOP, LITERALLY, TURNED THE CAR OFF RETURNED AFTER 10 MINUTES TURNED THE SWITCH AND NOTHING. MY CAR WOULDN'T EVEN PURR. ITS NOT THE BATTERY, OR MASTER FUSES OTHER THAN THE ALTERNATOR WHY DON'T I GET ANY CURRENT ANYWHERE IN THE CAR NOT EVEN THE CLOCK?
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Thursday, December 28th, 2006 AT 6:56 PM

8 Replies

Tiny
BRUCE HUNT
  • EXPERT
I am going to guess that the two are not related. The smell might be related to a starter problem and the vehicle might use a little bit of oil. Have you check starter relay and the cabling from the battery?
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Monday, January 8th, 2007 AT 3:34 PM
Tiny
D. CORE
  • MEMBER
I DID CHECK THE CABLE CONNECTIONS AND YES THERE WAS A LOT BUILDUP ON THE POSITIVE LEAD. I CLEANED AND CHANGED THE TERMINAL AND SHE TURNED RIGHT OVER. BUT I STILL GET THE SMOKING FROM TIME TO TIMEWITH THAT METALIC SMELL. MY BROTHER SUGGESTED THAT MIGHT HAVE BLOWN A PISTON RING. COULD THAT BE A POSSIBILITY?
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Tuesday, January 9th, 2007 AT 7:47 AM
Tiny
BRUCE HUNT
  • EXPERT
If you suspect any internal problems, I would suggest pulling out each plug and looking at the tips of them. Note if they are burning black, black and sooty, gray, etc. I would based on those results and possibly anyway, perform a compression check on the cylinders. You would like all of the compression readings to be similar.

Is there any oil usage by the vehicle?
Is there any extra noise from the engine?
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Tuesday, January 9th, 2007 AT 8:04 AM
Tiny
D. CORE
  • MEMBER
HI BRUCE, I DID CHECK THE PLUGS AND THEY ARE BURNING BLACK, SO I CHANGED THEM. ONE SEEMS TO NOT BE BURNING AT ALL. AS TO GETTING A COMPRESSION CHECK, WHAT'S THE APPROXIMATE COST FOR THIS?
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Thursday, January 11th, 2007 AT 8:04 AM
Tiny
BRUCE HUNT
  • EXPERT
Well, when you say one seems not to be burning at all, I would assume that it is not black and oily but maybe a little black and sooty. If the tips are oily and you are puffing blue smoke, the oil useage must be pretty significant. Maybe a quart of oil per tank full or every 500 miles or less?

If the above is true. Let's skip the compression check and go straight to the overhaul section of the book.

You really never said the age of the car and mileage.
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Thursday, January 11th, 2007 AT 8:37 AM
Tiny
D. CORE
  • MEMBER
Sorry about that, bruce, it's a '95 hyundai Elantra with 146K+ miles. Your assumption is corect the plugs are not oily at all, just black and sooty with the exception of one, which I assume isn't firing at all. Could this be true?
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Tuesday, January 16th, 2007 AT 8:05 AM
Tiny
BRUCE HUNT
  • EXPERT
I doubt it. The vehicle would be running rough with the drag of the dead cylinder and the power would drop significantly. Take one of the old plugs and connect one at a time to each plug wire. Touch the tip to ground and have the engine cranked over a couple of times. Observe the spark at each cylinder. Is there fire? The spark should be a nice blue arc. If one of the cylinders does not get the spark you need to look at the distributor cap and check the contacts underneath. The wire is probably bad.

Also, excessive black indicates that the vehicle is burning too much fuel. A rich condition. I would check the engine timing.

Compression checking is really easy and the cheapest way might be to either borrow a tester or buy one. They make a wide variety of testing gauges. Most screw into the threads of the plug and some others use a rubber gasket that you hold against the plug hole to seal the plug hole. They all work.
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Tuesday, January 16th, 2007 AT 10:16 AM
Tiny
D. CORE
  • MEMBER
THANKS BRUCE, YOUR INPUT HAS BEEN EXCEPTIONAL :D
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Wednesday, January 17th, 2007 AT 8:21 AM

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