Question about 1998 Hyundai Elantra

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Check engine light, sluggish, back firing

Sluggish, like its not getting enough gas, a small back firing noise & using more gas than normal

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  • Hyundai Master
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Do you have any strong smell coming out of the exhaust end like gun powder? if you do so possible you have either broken or blogged catalyst. The other possible fault is most common the vacuum leak.

Posted on Apr 22, 2014

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Posted on Jan 02, 2017

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2011 chevy aveo will not start, seemed sluggish driving home tonite, clicling noise when trying to start and MIL came on after i shut car off and tried to re start


The MIL is normally lit when the key is in on, and with the engine not started, so that doesn't seem a problem.
Put a voltmeter on the battery terminals to check the state of your battery. It should read at least 12.2 volts, 12.6 volts or better ideally, but if less than 12.0 volts it may not be strong enough to start the engine. You will need to charge up the battery in that case. The clicking noise is usually from a weak battery, or a bad cable or terminal connection, or the starter motor is at fault.

Before you can check if there is a problem with the engine running, is being "sluggish", you will first have to get it running. If your battery is good and well charged, double check your battery connections and grounds. If you get it running, the MIL should go out. If it stays lit, there is a trouble code stored, which should indicate the problem, or at least where to start looking. Good luck. If you don't have a voltmeter, maybe a friend has one. The digital multimeter used on cars are very reasonably priced.

Oct 27, 2016 | 2011 Chevrolet Aveo

1 Answer

99 Sun fire check engine light blinks won't go over 35. Thought it was coil pack, now think its TPS. How do I know which?


Have you checked the ecm for trouble codes ?
The blinking light means the problem is serious enough to damage the catalytic converter.
A faulty TPS would cause the engine to be very sluggish, but not cause a miss.

Nov 15, 2015 | Cars & Trucks

1 Answer

Acts likes its not getting gas running sluggish and its eating gas ! oh it a bonaville 2001


is the service engine soon light on? check the air intake system an the intake manifold for vacuum leaks. also you may want to check the fuel pressure and volume to make sure it is getting enough fuel. a clogged fuel filter is a easy fix and an overlooked maintenance item that will cause the symptoms you are having.

Jul 26, 2011 | 2000 Pontiac Bonneville

2 Answers

Truck has set for two yrs. i would crank an go around the coner put insurance on it drove a few days later it started running sluggish it kills at stop it cranks right back i put a tune up changed plugs...


After sitting for 2 years, the gas has moisture/water and it's pretty much not gas anymore. It's like your car needs 87 octane and you are running on 80 octane, just enough to fire off but not strong enough to to keep a good idle/firing. I would drain all the gas out and use a higher octane gas for a half of tank just to clean the lines and injectors. Fill the tank up 1/2 with high octane and use a bottle of injector cleaner. This should clear up the sluggish problem. Also it's a good idea to change the oil and run an engine cleaner through. Drain a quart of oil, and pour in the engine cleaner. Let engine run for about 5 min for oil to heat up and circulate. Drain oil and change oil filter, put in new oil.

Jul 06, 2010 | 1991 Chevrolet C1500

2 Answers

I get a ping when i accelareat in my 94 gmc 350 vandura


Low octain fuel or the rings on your 20 year old engine may be wearing and you age getting oil in the combustion chamber, effectively lowering the octain.

Have your mechanic do a compression test on your engine and wee what he or she thinks.

Thanks for your quesiton at FixYa.com

Jan 03, 2010 | 1988 GMC G2500

1 Answer

Car driving sluggish, then service engine light comes on


There is no reason to guess. If the check engine light is on, take the car to an autoparts store and have them scan the computer for any fault codes that are stored there. Most parts stores will do the scan for free. Getting the codes will eliminate speculation and can save you time and money. Hope this helped and best wishes.

Aug 01, 2009 | 1993 Saturn SC2

3 Answers

Back fires under load and is sluggish at times


Have you checked the coils? It has three above the rear valve cover right?

Jun 24, 2009 | 1986 Oldsmobile Ninety Eight

1 Answer

Momentarily Sluggish Acceleration


Are you loosing power to the ecu when the car is shut down? most cars with an ECU that controls timing, fuel, or boost can be forced to relearn the car if the ECU looses power (called a "limp" mode). I'd look into this. Also are you getting any check engine lights? considering the description of the problem, this would help to diagnose. Try getting the car started and running normally, then turn the car off but do not kill the power to the car, just stop the motor from running...Fire the engine back up and try to give the car a good stomp on the gas and see if you get the same sluggish problems...my 2 cents... Good luck future auto DIY's

Apr 16, 2009 | 2003 Volkswagen Jetta TDI

1 Answer

2000 Kia Sportage


We had o put in two new ignition coils along wit new spark plugs and wires. This solved the problem.

Oct 16, 2008 | 2000 Kia Sportage

1 Answer

96' Grand Am - car started sluggish..... shut off ..now wont start


the fuel filter could be clogged and put injector cleaner in the gas tank

Sep 06, 2008 | 1996 Pontiac Grand Am

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