Utility ATV repair and maintenance & Troubleshooting Place your Utility ATV Repair and Maintenance questions/thoughts here... *not performance*

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Old 06-06-2011, 11:41 AM   #1
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ATV: 2009 Arctic Cat H1 EFI LE
2009 700 h1 le - "EFI" light blinking

Hey went out for my first ride the other day and my ATV is acting up already

It is cranking but it is hard to start, and sometimes it won't start at all.
It will also sometimes stall in Neutral when idling.
When riding it is "sputtering" a little bit as well.

I notice it just doesn't "feel" the same as before I took it through the trails. It only has 200 miles on it, and looks super clean so I can't imagine it has been abused too badly...

Also when I turn the key to "ON" it flashes "EFI" on the display unit.

It's also a little tough to get into "Low".
I have to actually give it some gas and ride a little bit for it to "kick" into Low gear - not sure if that is normal or not for this ATV.

I read all about how to get the computer codes, I just wanted to see if anyone had any insight, and could help further.

I'm not good working on stuff like this, and will probably have to take it to a dealer, if it is too complicated.

***Update***

Ran the diagnostic, and got "AC13"

Last edited by MooJersey; 06-06-2011 at 04:41 PM.
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Old 06-06-2011, 07:41 PM   #2
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AC13 is the code for the air pressure sensor. I'd locate it and see that the connector is plugged in tight and clean. Above is the link to a page that has a manual for your machine, hope it helps some.
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Old 06-08-2011, 08:41 AM   #3
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ATV: 2009 Arctic Cat H1 EFI LE
Found the problem - but now what?

Well I took my ATV apart a little bit to take a look at the MAP sensor on the throttle body. Basically the wires leading into the connector (female end that snaps into the sensor) has some issues. One of the wires pulled out, and was completely disconnected. Another wire was pretty beat up looking and had a few stray strands of copper that had broke, leaving only a few strands connected to the pin.

The problem I have now is that I cannot find this part on any website. Both Country Cat, and my local dealer told me I would have to buy the entire wire harness ($400+). I've seen that this is a somewhat common problem on a couple other threads.

Does anyone know where I can buy a replacement plug?
What other options do I have?

Any help is really appreciated !

Last edited by MooJersey; 06-08-2011 at 08:47 AM.
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Old 06-08-2011, 01:16 PM   #4
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 Quote: Originally Posted by MooJersey View Post
Well I took my ATV apart a little bit to take a look at the MAP sensor on the throttle body. Basically the wires leading into the connector (female end that snaps into the sensor) has some issues. One of the wires pulled out, and was completely disconnected. Another wire was pretty beat up looking and had a few stray strands of copper that had broke, leaving only a few strands connected to the pin.

The problem I have now is that I cannot find this part on any website. Both Country Cat, and my local dealer told me I would have to buy the entire wire harness ($400+). I've seen that this is a somewhat common problem on a couple other threads.

Does anyone know where I can buy a replacement plug?
What other options do I have?

Any help is really appreciated !

You may be able to separate the contacts from the plastic housing of the connector. On most connector plugs of this type the metal contact is held into the plastic part of the plug with a spring tab on the contact. The trick is to get something in there to depress the tab and pull out the contact from the plastic. (sorry cannot be more specific than this)

One you get the contact out, you could solder on new longer wires and connect the new wires to the wiring harness via solder and sealed heat shrink tubing.
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Troubleshooting First Steps, An amazing number of problems are cured with just these two items.

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Search threads, Check Pinned Section. Pinned Topics Manual or wiring diagram? Manuals
http://countrycat.com/ccstore/index...._Diagrams.html

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Old 06-08-2011, 01:21 PM   #5
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I just did a write up on how to do this a little while ago, enjoy!
Basic Soldering & Electrical Connector Repair - Electrical Connector Repair
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Old 06-08-2011, 01:24 PM   #6
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Great writeup. Noticed your link is bad though. The correct link is

Basic Soldering & Electrical Connector Repair

your posted link comes up as;

http://www.arcticchat.com/forum/whoolie.com/solder2.htm
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Have a Problem?

Troubleshooting First Steps, An amazing number of problems are cured with just these two items.

1. Make sure your battery is FULLY Charged.
2. Try a new spark plug.

Search threads, Check Pinned Section. Pinned Topics Manual or wiring diagram? Manuals
http://countrycat.com/ccstore/index...._Diagrams.html

Improving Search.

Better results when searching for specific information. To find threads where ALL the words, instead of ANY of the words "650H1, Carb, Jetting, Needle Jet, Snorkel" were found...Open up a search window in www.google.com In the find box type without the quotes "650H1 Carb Jetting Needle Jet Snorkel site:Arcticchat.com" & Press return. Find threads, replies or topics by a specific member; just by inserting their user name into the search list; Chances are, your problem is NOT unique and it has been solved many times before.

Are you in a hurry to get an answer?
Use the Google Search Tip

Last edited by Wyo_H1_Cat; 06-08-2011 at 01:27 PM.
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Old 06-08-2011, 02:02 PM   #7
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ATV: 2009 Arctic Cat H1 EFI LE
Thanks

Thanks everyone for all of the good information.

I will give it a try when I get home, and take pictures so others can benefit from this. From googling alot I have found out this is a pretty common problem.

No dealer that I contacted will do the repair, they all said "it's too much of a liability if something else blows". Oh well, wish me luck!

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Old 06-10-2011, 09:35 AM   #8
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ATV: 2009 Arctic Cat H1 EFI LE
Problem Solved :)

Well I gave it hell, and it payed off.

I took the 3 pins out of the wiring connector that plugs into the MAP Sensor (used a 2d, 2" nail). I soldered new 18 gauge wire onto the 3 pins, then pushed them back into the plug. These are very tiny parts, and this took me 3 hours as a newbie solder-er. The pins got a little beat up in the process, and I wouldn't recommend doing this more than once. Ideally I still want to find a suitable replacement plug. If anyone comes across one that fits please message me!

Also the oem wire is 20-22 gauge, very thin, and a bit brittle. Probably why it came apart in the first place. Hopefully the 18 gauge holds up better. Also used heat shrink wire splice connectors to keep out moisture.

This was a bit of a tedious procedure, but only cost about $20 for a decent pair of stripper/crimpers, and the connectors. Much better than paying $425 for a new wire harness.

The EFI light did not come on, and the AC13 turned to SC13. After I cleared the stored code, it did not come back on. She is running good as new !!!

Thanks all for the great advice.


Last edited by MooJersey; 06-10-2011 at 09:57 AM.
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Old 06-10-2011, 11:47 PM   #9
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Good job, you are now a better mechanic than your dealer! The $425 is one thing, putting an entire harness in is another.
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SLD welded
Speedwerx 42# wet clutch springs
Secondary clocked to B-3
150 grams of Speedwerx rollers
Speedwerx pipe
Breather looped
Cooler racked
Strobes from Pondtunes (should be worth 10hp right?)

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