1996 Hyundai Elantra my Elantra shut off on me when going t

JR MECHANIC

MEMBER
1996 HYUNDAI ELANTRA
4 CYL
2WD
AUTOMATIC
199,684 MILES

I have a 1996 hyundai elantra. Before it shut off on me it was running real rough and I was wondering what I going on. So I went to the store to buy a few things and started up the car the car drove. Now I was getting ready for work and started the car it started up and ran. Then when I left my house I was driving down the highway and the car started to feel like something id holding it back so when I pressed the accelerator it wasnt responding. So it started to slow down and then the engine sttopped running. So I let it roll to the should and tried to started it back up. It seems it was trying to start back up but didnt and then I killed the battery when I was cranking it. Somebody told me that I need another computer, I dont feel its the computer so im asking for help with this.I dont have another car right now and I had rented a car and now I dont want to waste anymore money trying to get to work. HELP!

4 Replies

BLUELIGHTNIN6

MECHANIC
16,542 POSTS

Hello
Thanks for the donation

It seems as though your vehicle is being starved of either fuel or spark (or both). I agree with you that the computer does not seem to be the issue. I suggest checking the fuel pressure at the fuel rail underneath vehicle. This will ensure you that the fuel pump and assembly is working properly (or not). If this is okay, check for spark at the plugs. Pull the plug wire boot off of a plug (one at a time) and while someone is cranking engine, look for a spark to "jump" from the plug to the plug wire. It should be bright blue in color on each plug. If one or more plugs have an orange looking spark, or no spark at all, replace the plugs and wires. Post your results and I will follow up.

Hope this helps.
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Tuesday, December 23rd, 2008 AT 1:05 AM

JR MECHANIC

MEMBER
4 POSTS

Thanks for repling, another thing I forgot to tell you is that I used a scan tool on the car and it told me multi miss fires and lean fuel. Could it be a head gasket is gone or something else.I have changed the sprk plugs and the coil and the wires.I also have a new feul filter to put in but I dont want to put it in if thats not the problem. What do you thing about this

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Tuesday, December 23rd, 2008 AT 7:11 AM

BLUELIGHTNIN6

MECHANIC
16,542 POSTS

Okay.
Thanks for that info.
If it's misfiring and running lean I'd suggest checking for a vacuum leak. Check the gasket between the manifold and the head. Also check the EGR valve and make sure all of the vacuum lines are in good condition. Also verify that the power brake vacuum assist is in good condition and not leaking as well.

Faulty gaskets would normally cause a coolant leak as well though. Any signs of recent coolant loss?

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Tuesday, December 23rd, 2008 AT 11:27 AM

JR MECHANIC

MEMBER
4 POSTS

One thing I do know is that the exhaust manifold has a exhaust leak since ihad the car. Two I think in cylinder one and four they were wet when I took them out and two and three are dry. Could it be that the injector is not working or that is an antifreeze leak. Remind you the cr didnt overheat at all. Could he head gasket be broken or the head is cracked?

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Friday, December 26th, 2008 AT 1:57 PM