LS1TECH - Camaro and Firebird Forum Discussion

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-   -   Cold weather, engine doesn't like it! (https://ls1tech.com/forums/general-maintenance-repairs/1758050-cold-weather-engine-doesnt-like.html)

Ambra_LS1_T/A Nov 18, 2014 07:45 PM

Cold weather, engine doesn't like it!
 
When I wake up, I go to start my car and it thumps and thumps for a second and shuts right off. Or if I catch it in time and press the gas a little it'll stay on but I have to keep pressing the gas. Once it is fine, it'll idle a little normal but kinda shaky and then once it is almost heated up it will thump and thump again and almost shut off :( I have to rev it again a little at that point.

Once it's on, it is okay, sometimes I feel it spirt a little when I'm on the highway going about 65-70. It almost feels like I hover or skip a gear.

I took it to my friends shop, he was going to do a tune up and then he told me that it didn't need one because the computer reader said it had a bad coil # 5. So he changed that. But I have not gotten a tune up on the car since I bought it in the spring. My other birds have done this and I usually would get them tuned up as often as needed. I just don't understand what's going on.


Is it a battery? Alternator? Fuel filter? I have a video. I wish I could upload. But I am new to the site. If anyone can help me, please let me know. :) thank you

tnmotown Nov 18, 2014 11:33 PM

Have you done a tune-up since you got the car? How many miles are on it?

I would do the cheap easy stuff first. Some new spark plugs, fuel filter, oil change, etc...

Its kinda hard to tell but if you get that video uploaded it might help. It could possibly be bad 02 sensors, maybe fuel pump? I hope you get it squared away and isn't too much of a problem.


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