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post #1 of 105 Old 07-06-2012, 06:11 AM Thread Starter
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engine feels like it looses power while driving

Maybe someone can tell me why my engine feels like it looses power on occasion while im driving. for example: when im driving or accelerating the engine feels fine then all of the sudden it just feels sluggish. i bought a fuel injector cleaner to maybe help it but i don't think it did much. please help... I don't know what else to do
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post #2 of 105 Old 07-06-2012, 08:29 AM
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Re: engine feels like it looses power while driving

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Originally Posted by jp2039 View Post
Maybe someone can tell me why my engine feels like it looses power on occasion while im driving. for example: when im driving or accelerating the engine feels fine then all of the sudden it just feels sluggish. i bought a fuel injector cleaner to maybe help it but i don't think it did much. please help... I don't know what else to do
kinda need a little bit more information..does it lose power while you have your foot on the gas? at what speed do you notice the change? how does the car idle? any strange noises? exhaust leaks?
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post #3 of 105 Old 07-06-2012, 08:44 AM
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Re: engine feels like it looses power while driving

Leme see.. You give it some throttle and it's running perfectly fine.. Then it kinda just drops in power and you need to step on it a bit more to get it to go?


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post #4 of 105 Old 07-06-2012, 06:12 PM
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Re: engine feels like it looses power while driving

I'm having the same problem with my 2003 4 cylinder, it's an automatic transmission and like you say sometimes it goes other times it's just sluggish. Say you make a rolling stop making a right hand turn and the car stays in second gear, you start to accelerate and nothing you can put your foot to floor and nothing happens it's just sluggishly gets up to speed and eventually switches gears. I've had it in the trip tonic shifting and mostly in 2nd gear it seems to happen. Basically my car runs like **** like yours. I have no check engine lights everythings maintained, also my fuel economy is crap and my gas gauge bounces around mostly after half a tank. No clue and I wan to sell it because I can't figure it out!! Someone has to know help!
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post #5 of 105 Old 07-06-2012, 06:19 PM
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Re: engine feels like it looses power while driving

O wow thought it was just me that had that issue lol. Mine does it in either mode and is an 03 I4 auto too. It's only around 2-3rd that it does it though.. Mostly in 3rd. I've been researching on the interwebs and found that some people say that it could be the fuel filter so I ordered one from Advanced and gonna switch it out on Tuesday. But I have good fuel economy, its always between 20-25 city. try seafoam etc. since I don't ever have to floor it to get it to go, check your throttle cable and make sure it's not loose.


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post #6 of 105 Old 07-06-2012, 09:20 PM Thread Starter
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Re: engine feels like it looses power while driving

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Originally Posted by Jalexis4192 View Post
Leme see.. You give it some throttle and it's running perfectly fine.. Then it kinda just drops in power and you need to step on it a bit more to get it to go?
yup exacty!
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post #7 of 105 Old 07-06-2012, 09:56 PM
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Re: engine feels like it looses power while driving

I have no clue, I was going to change the fuel filter till I realized what a pain in the *** it is. I would really like to know what is going on!
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post #8 of 105 Old 07-06-2012, 10:31 PM
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Re: engine feels like it looses power while driving

Not that hard, I've seen the DIY and it seems easy.. Well least to me but I do 80% of the work done to my car myself.


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post #9 of 105 Old 07-07-2012, 12:08 AM
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Re: engine feels like it looses power while driving

I have the same issue with my 2004 V6 thought it might not be fireing right. spark plug?


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post #10 of 105 Old 07-07-2012, 10:15 AM
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Re: engine feels like it looses power while driving

On my Tib, I've already done everything I can think of that could cause this engine wise.. Fuel cleaner, new plugs/wires, SeaFoam, changed the throttle position sensor, checked that the throttle wire wasn't loose. And now all thats left that People online say to change is the fuel filter so gonna try that and see what happens.


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post #11 of 105 Old 07-07-2012, 10:58 AM
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Re: engine feels like it looses power while driving

Ya me too man I do all the work myself and I've changed a lot of stuff and tried many things to solve this problem, i can't wait to see what that fuel filter does for you because if it helps I'll be doing that this week! It's really hurting the cars performance whatever it is! My moms 05 sunfire which is a 2.3 8 valve with 110
Hp has way more get up and go then my tib it's embarrassing.
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post #12 of 105 Old 07-07-2012, 05:06 PM
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Re: engine feels like it looses power while driving

Yeah, ill keep you updated. Ill be getting it on Monday and it'll go on that afternoon before work on or Tuesday at the latest.


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post #13 of 105 Old 07-07-2012, 07:29 PM Thread Starter
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Re: engine feels like it looses power while driving

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Originally Posted by Jalexis4192 View Post
Yeah, ill keep you updated. Ill be getting it on Monday and it'll go on that afternoon before work on or Tuesday at the latest.
okay good
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post #14 of 105 Old 07-08-2012, 06:57 PM
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Re: engine feels like it looses power while driving

sounds good keep us updated


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post #15 of 105 Old 07-08-2012, 10:28 PM
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Re: engine feels like it looses power while driving

Ya man thanks
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post #16 of 105 Old 07-08-2012, 10:32 PM
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Re: engine feels like it looses power while driving

May look into replacing the fuel pump as well. I've seen other cars stuttering or losing power becasue of it. May also consider it if you are already replacing the filter. Especially if you don't feel like getting to it again.

I haven't seen this issue much on tibs. Just a thought.


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post #17 of 105 Old 07-09-2012, 05:33 PM
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Re: engine feels like it looses power while driving

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May look into replacing the fuel pump as well. I've seen other cars stuttering or losing power becasue of it. May also consider it if you are already replacing the filter. Especially if you don't feel like getting to it again.

I haven't seen this issue much on tibs. Just a thought.
Okay I'll take a look at that depending on what the final word on his fuel filter results. Considering how my fuel gauge bounces around like crazy that may be a good idea and could potentially solve that problem. Thanks
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post #18 of 105 Old 07-09-2012, 05:41 PM
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Re: engine feels like it looses power while driving

Well, I got the filter today and got in then spent a good hour trying to get the car on after I changed it.. Then I gave up and threw the old one on and it started on the first shot. Everything was literally a swap over too, Didn't change anything (referring to the rings/cap you new to take off the old filter). I'll try to use the new filter latter when I have more time, didn't today since I had work. I would like to note that I threw some intake cleaner in the intake trying to find any vacuum leaks.. It somewhat helped with the acceleration loss, but it still does it.


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post #19 of 105 Old 07-09-2012, 05:45 PM
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Re: engine feels like it looses power while driving

Just an idea... are you driving with your ac on when this happens?

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If you having clutch problems I feel bad for you son,
but I got 99 problems and a clutch aint one...
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post #20 of 105 Old 07-09-2012, 06:16 PM
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Re: engine feels like it looses power while driving

Mine does it with it on and off. Not sure about the others.


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post #21 of 105 Old 07-09-2012, 07:31 PM
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Re: engine feels like it looses power while driving

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Originally Posted by Jalexis4192 View Post
On my Tib, I've already done everything I can think of that could cause this engine wise.. Fuel cleaner, new plugs/wires, SeaFoam, changed the throttle position sensor, checked that the throttle wire wasn't loose. And now all thats left that People online say to change is the fuel filter so gonna try that and see what happens.
Have you tried changing the air filter yet?
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post #22 of 105 Old 07-09-2012, 09:10 PM
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Re: engine feels like it looses power while driving

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Originally Posted by magichatandshoes View Post
Have you tried changing the air filter yet?
The dumb looking square thing made of plastic and paper? I threw that away on the drive home after paying for the Tib. CIA isn't a month old either.

Also, I feel like your singling out my amazing mechanical skills.. That's not nice. ;(


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post #23 of 105 Old 07-09-2012, 10:56 PM Thread Starter
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Re: engine feels like it looses power while driving

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Originally Posted by diamondstar6892 View Post
Just an idea... are you driving with your ac on when this happens?
Mine doesn't do it much anymore for some reason I think it wasn't getting enough air. Also I cleaned the fuel injectors I think that helped alot too. But to answer your question it did it with the air on and off.
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post #24 of 105 Old 07-09-2012, 10:58 PM Thread Starter
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Re: engine feels like it looses power while driving

Also I haven't changed the fuel filter yet but ill do that soon too.
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post #25 of 105 Old 07-10-2012, 01:12 AM
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Re: engine feels like it looses power while driving

Ya im glad that others have this issue, i mean it just but nice to know others are looking for the fix. Mine did it today pretty bad off a red light first and second i think my gfs 4door sunfire would have beat me lol, does not happen all the time, but when it does


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