2005 Toyota Echo Jerking - Toyota Nation Forum : Toyota Car and Truck Forums

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post #1 of 14 Old 05-13-2017, 08:23 AM Thread Starter
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Unhappy 2005 Toyota Echo Jerking

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Please help, I am at my wits end. My car was running fine up until 2 months ago. All of a sudden when I start it and drive for about a couple of minutes it starts jerking on and off until the car warms up. I have researched the heck out of it and have changed the following : the air filter, the battery and cleaned the mass flow censor.
It seemed to be ok, then it got worse. Earlier this week when I was stopped in traffic to turn into the gas station it just died on me. I was able to start it and cranked on her to get it in a parking lot. Once there while idling it stalled again. I started it again and it stalled as I watched the rpms just go down. The fourth time I started it, it did not stall and I let it idle for a good 15 mins before I attempted the trek home, crossing everything I had hoping to get home without having to get it towed. I made it ! So, I researched again and I change the spark plus and used the dielectric grease. It seemed ok, then it started again, albeit not as bad as the previous day.
So, it lead me here as I am at a loss. I will say that it only happens when it rains or if it is overly damp. When it is sunny out, it never happens. I am assuming something is exposed and is getting wet then when I let it idle for a few it seems to be ok. But I have no clue where to start looking. Also, there are no lights or anything on the dash.

Any help would sincerely appreciated.
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post #2 of 14 Old 05-13-2017, 01:00 PM
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Have you checked the injectors and/or their connectors? Coil pack could be an issue as well.
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post #3 of 14 Old 05-13-2017, 05:40 PM Thread Starter
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Originally Posted by zythr View Post
Have you checked the injectors and/or their connectors? Coil pack could be an issue as well.
Thanks, checked the coils and the injectors when I put in the new sparks
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post #4 of 14 Old 05-13-2017, 09:54 PM
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What about PCV valve, vacuum lines or coolant sensor? How did the plugs look when you changed them? Was there one that was really clean or dirty? If you think it's moisture related, maybe try going around with a spray bottle of water and see if you can create the problem by spraying a particular area. Might narrow it down.
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post #5 of 14 Old 05-13-2017, 10:46 PM
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If it's jerking so much you should really try to find it a girlfriend (or boyfriend!).


Check the boots on the coils for burns, carbon tracks, and the coils for cracks and splits.



That creates a path for the spark to leak to ground and the engine will misfire.
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post #6 of 14 Old 05-14-2017, 05:40 PM Thread Starter
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Originally Posted by puddleglum2 View Post
What about PCV valve, vacuum lines or coolant sensor? How did the plugs look when you changed them? Was there one that was really clean or dirty? If you think it's moisture related, maybe try going around with a spray bottle of water and see if you can create the problem by spraying a particular area. Might narrow it down.
Thanks for responding. I will check those. When I changed the plugs they were worn down, but from the looks of them they were the original plugs, but they were the color of coffee grinds, which I was told was a good sign. They were all the same, no dirt or anything. From my research, I thought it would cure the problem as apparently it is well known with Echo's that water can get in underneath the coils. But when I took them out, they were dry as a bone, but as I already purchased new ones, so I changed them.

I never even thought of the water bottle, thanks !

Thank you for your help !
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post #7 of 14 Old 05-14-2017, 05:44 PM Thread Starter
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Originally Posted by Bitter View Post
If it's jerking so much you should really try to find it a girlfriend (or boyfriend!).


Check the boots on the coils for burns, carbon tracks, and the coils for cracks and splits.



That creates a path for the spark to leak to ground and the engine will misfire.
Hi, thank you for responding. When I remove the old spark plugs I did check the coils, they all seemed ok. After reading your post, I even went out and rechecked the old spark plugs in case I missed any carbon deposits, but nope they are all white.
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post #8 of 14 Old 05-14-2017, 06:23 PM
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Dirty /intermittent IAC can cause erratic idle.
Has it been cleaned?
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post #9 of 14 Old 05-16-2017, 02:54 PM Thread Starter
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Originally Posted by puddleglum2 View Post
What about PCV valve, vacuum lines or coolant sensor? How did the plugs look when you changed them? Was there one that was really clean or dirty? If you think it's moisture related, maybe try going around with a spray bottle of water and see if you can create the problem by spraying a particular area. Might narrow it down.


Puddleglum2, THANK YOU SOOOOOOOOO MUCH !!! I can't thank you enough.
I put the code reader on it and it said it was the TPS, so I went over the vaccum lines with a fine
tooth comb and low and behold there was a crack in one of the hoses. I still purchased the TPS just
in case, but changed out the hose drove it around in the rain and no problem at all.


I sincerely appreciate all your help and everyone else on this forum. If it wasn't for your advice I would
be bald today !!!


Thanks everyone
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post #10 of 14 Old 05-16-2017, 04:25 PM
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Quote:
Originally Posted by cat_nb View Post
Puddleglum2, THANK YOU SOOOOOOOOO MUCH !!! I can't thank you enough.
I put the code reader on it and it said it was the TPS, so I went over the vaccum lines with a fine
tooth comb and low and behold there was a crack in one of the hoses. I still purchased the TPS just
in case, but changed out the hose drove it around in the rain and no problem at all.


I sincerely appreciate all your help and everyone else on this forum. If it wasn't for your advice I would
be bald today !!!


Thanks everyone


Glad you were able to fix it. You don't happen to have the model with the optional tach do you?
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post #11 of 14 Old 05-16-2017, 09:22 PM
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Glad you found it. It's amazing how the smallest things can cause major problems.
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post #12 of 14 Old 05-17-2017, 09:40 AM Thread Starter
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Glad you were able to fix it. You don't happen to have the model with the optional tach do you?
No I don't but I love the erase feature ...hahah
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post #13 of 14 Old 05-17-2017, 09:51 AM Thread Starter
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Originally Posted by puddleglum2 View Post
Glad you found it. It's amazing how the smallest things can cause major problems.
I know, I could not believe something as small like that could cause that issue. I assumed it would
be something that would cost major bucks. I was still not sold on the idea that it would fix the issue, but I am glad I drove it before I put the sensor in.


I just hope this is the end for awhile, sure is frustrating when you cannot for the life of you figure out
what is wrong and I will exhaust every option before I bring it to a mechanic. They tend to charge an arm and a leg for labor
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post #14 of 14 Old 05-17-2017, 10:23 AM
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Originally Posted by cat_nb View Post
No I don't but I love the erase feature ...hahah





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