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Car lurches forward and the idle is erratic


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Eventrange
New User

Dec 13, 2013, 8:33 PM

Post #1 of 7 (2578 views)
Car lurches forward and the idle is erratic Sign In

 Hi,
I have a manual 2003 Mazda Protege5. A few weeks ago, it started lurching forward when I start off from a stop and while I'm going slow in first gear. It also idles very erratically, almost dieing sometimes, when I come to a stop. It seems to be getting worse the more I drive it. Any ideas?

Thanks


(This post was edited by Eventrange on Dec 13, 2013, 9:00 PM)


DanD
Veteran / Moderator
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Dec 14, 2013, 7:39 AM

Post #2 of 7 (2549 views)
Re: Car lurches forward and the idle is erratic Sign In

Without a lot more information and some test results, it'll be hard to help.
The one thing I can think of is check the air intake tube between the air cleaner and engine. Make sure it is intact with no tears in the ribbing, where un-metered air can enter. You may need to remove it so that you can stretch it out to see any tears.

Dan.

Canadian "EH"






(This post was edited by DanD on Dec 14, 2013, 7:41 AM)


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Dec 14, 2013, 9:18 AM

Post #3 of 7 (2541 views)
Re: Car lurches forward and the idle is erratic Sign In

If the check engine light happens to be on, have the engine controller scanned to find out what trouble code(s) it is storing. Then write down the trouble code number(s) and post them.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


Eventrange
New User

Dec 14, 2013, 4:25 PM

Post #4 of 7 (2521 views)
Re: Car lurches forward and the idle is erratic Sign In

The check engine light is on. I'll take it in somewhere and get it checked out. Thank you for the replies.


Eventrange
New User

Dec 15, 2013, 3:19 PM

Post #5 of 7 (2503 views)
Re: Car lurches forward and the idle is erratic Sign In

It was a tear in the air intake tube. I looked at it today in the daylight, and didn't even have to take it out - the tear was HUGE. Unfortunately the auto parts store won't have the new tube in until Tuesday, so I wrapped duct tape around it to get me through until then, and now it's running just fine. Smile Thank you again.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Dec 15, 2013, 6:32 PM

Post #6 of 7 (2498 views)
Re: Car lurches forward and the idle is erratic Sign In

Great catch DanD Cool Bullseye





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


DanD
Veteran / Moderator
DanD profile image

Dec 16, 2013, 4:03 AM

Post #7 of 7 (2482 views)
Re: Car lurches forward and the idle is erratic Sign In

Glad it was an easy fix for them.

Dan.

Canadian "EH"










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