Ridemalibu Motorcycle Rentals & Tours – Los Angeles CA
  1. Ciao Guest - You’ve landed at the ultimate Guzzi site. In SoCal? See the SERVICE tab above for the best in service, tires, tuning and installation of our products or custom work. NEW FORUM REGISTRATIONS REQUIRE EMAIL ACTIVATION - CHECK YOUR SPAM FOLDER. ALWAYS TRY A SEARCH BEFORE STARTING A NEW TOPIC - Most questions you may have are already answered on the Forum with FACTS, NOT OPINIONS. PLEASE DON'T BE A DRIVE-BY POSTER: As a common courtesy, check back if you are posting elsewhere on the web. Note there's decades of Guzzi hands-on experienced help on this site, all whom give endless amounts of their time for free; BE COURTEOUS AND RESPECTFUL! Also be sure to click on the STORE link also above for our 600+ product inventory, including many of our 100% Made-in-house-USA GTM products and engine kits. We appreciate the consideration, understanding and your business... past and future. And if you haven't seen our MotoCycle (not) art, click on the BUILDS tab above to see our work at our sister business; GT MotoCycles® -- WE ARE ONLINE ONLY - NO PHONE CALLS MADE OR RECEIVED.
  2. There is ZERO tolerance on personal attacks and ANY HYPERLINKS to a PRODUCT or other competing website(s), this includes personal pages, social media or other Forums. We work very hard to keep info relevant here. First offense is a note, second is a warning, third time will get you banned from the site. Sorry to have to do this, but we don't have the time to chase these. This is NOT a social media platform; It's an ad-free, privately funded website, in small help with user donations. Be sure to see our online STORE link above; GTM product purchases help support the site, or you can upgrade your Forum profile or DONATE via the link above.

California 1400 hanging throttle

Discussion in 'Cal 1400 8V' started by guzziken, Jul 22, 2015.

  1. kiwi dave

    kiwi dave GT Reference

    Joined:
    Oct 28, 2008
    Messages:
    2,085
    Likes Received:
    365
    Location:
    Auckland, New Zealand
    The clutch switch is a single pole 2-way, i.e. there is a normal off and a normal on connection. I was getting the dashboard with "SERVICE" loudly displayed, but the clutch appeared to be working normally. However, one of the connections was duff, as a replacement switch cured the issue, and my warning went away.
     
  2. Guzzi_Lou

    Guzzi_Lou Cruisin' Guzzisti

    Joined:
    Jul 4, 2015
    Messages:
    188
    Likes Received:
    34
    Location:
    Toronto, Canada
    I rode my bike for a couple of months with a bad clutch switch ... never noticed any effect on the hanging throttle after I replaced it.
     
  3. Moto Punch

    Moto Punch Just got it firing! GT Contributor

    Joined:
    Nov 1, 2017
    Messages:
    7
    Likes Received:
    3
    Location:
    Chandler, AZ
    From reading previous posts, I'm hopeful the valve adjustment will remedy the issue. Has there been any correlation between compression tests and this issue yet?
     
  4. John L

    John L Cruisin' Guzzisti GT Famiglia

    Joined:
    Oct 3, 2015
    Messages:
    275
    Likes Received:
    116
    Location:
    South Australia
    I've got a 2015 Eldo, ridden it a few times at over 40c, once for about 300kms and it's never been a problem.
     
  5. Paul Manicke

    Paul Manicke Just got it firing!

    Joined:
    Apr 23, 2018
    Messages:
    2
    Likes Received:
    0
    Location:
    Albuquerque, NM
    I just started experiencing the problem this weekend with a 2016 Eldorado with 1900 miles. Throttle sticks at around 3000 rpm but can be caused to go back to idle by blipping the throttle. No dealer in New Mexico to help with the problem either.
     
  6. Ste

    Ste Just got it firing!

    Joined:
    Aug 5, 2014
    Messages:
    20
    Likes Received:
    10
    Location:
    Virginia
    Godspeed my friend.

    Given my experience and the others on this forum who have been grappling with these throttle issues, even with a dealer you're not guaranteed much. My 2014 has been sitting in a dealer shop for a month without even a diagnosis. It's pretty clear to me that Piaggio is not committed to Guzzi beyond selling discounted v7's to hipsters moving on from Vespas. I'm thinking my 1400 might be worth more as parts on eBay right now.

    New Mexico was made for riding. The high road to Taos is epic. I was always planning going to take my Guzzis with me on my move to Santa Fe, but I'm shedding anything built in the 21-century. My '71will have an honored place in the courtyard.

    Hope to see you in Madrid some Sunday morning. Maybe on a predictable, mid-life crisis GS or Road King. Don't judge me. I've earned it.
     
  7. Paul Manicke

    Paul Manicke Just got it firing!

    Joined:
    Apr 23, 2018
    Messages:
    2
    Likes Received:
    0
    Location:
    Albuquerque, NM
    I tried riding it again this evening and got about 500 feet from the house with an URGENT SERVICE warning and the bike went into Limp Mode. Due to a slight slope leading away from the house I could not get back to the house uphill in Limp Mode so stuck in the middle of the street I tried shutting off the key. Upon restarting, it seemed to reset everything and I was able to once again use the throttle to get enough power to get back up the hill and home. Once I got home, I noticed the throttle seemed to still be sticking around 3000 rpm and had now developed a slight stumble/hesitation upon throttle open. NOT HAPPY!!
     
  8. roadventure

    roadventure GT Reference GT Famiglia

    Joined:
    Oct 18, 2014
    Messages:
    1,033
    Likes Received:
    249
    Location:
    Millville, Delaware
  9. Moto Punch

    Moto Punch Just got it firing! GT Contributor

    Joined:
    Nov 1, 2017
    Messages:
    7
    Likes Received:
    3
    Location:
    Chandler, AZ
    I wanted to give an update on my 2016 Eldorado with hanging throttle. Brought the bike into On Any Moto in Tucson (Ride Now in Phoenix is no longer a Moto Guzzi dealer) a couple of weeks ago for 6K service, and I mentioned the issues. Picked it up a few days later and they told me the valves were loose (so they adjusted them) and updated software.

    Wow! Big difference. Returns to idle much better/quicker. No hanging throttle issue since. The oil change seems to make shifting smoother too. Definitely enjoyed her this past weekend!!
     
    John L likes this.
  10. Ste

    Ste Just got it firing!

    Joined:
    Aug 5, 2014
    Messages:
    20
    Likes Received:
    10
    Location:
    Virginia
    After nearly two months sitting in a dealer shop without a solid diagnosis, the factory trained mechanic left for a Kawasaki dealership; the regional Piaggio rep shrugged his shoulder. I limped the bike home. Today, I hooked the laptop up, cleared the codes and swapped out the crank position sensor. Fixed. Less than an hour.
    I should be happy, but I’m stilled pissed and I’m done with the new Guzzi’s. Euro 4 and air cooled just doesnt work well. And Piaggio is not serious about the U.S. market.

    But I wanted to share with you guys what I think could be a problem others might encounter.

    If you’ve got an issue with rough or weak revs above 4K on a hot day, most definitely think CPS. The experts at Piaggio all surmised that the sensor either works or it doesn’t. If the bike runs and doesn’t throw relevant codes, they generally don’t consider it a possible source of problems.

    I think it could be the source of a shtload of mysterious problems plaguing the 1400. The CPS sits in a blazing hot area of the block. It heats up, gets a fever, and starts to babble incoherently— fundamentally screwing with everything. If the ECU doesn’t know the precise crank position, it can’t do anything right.

    If you run out of ideas, swap it out. It’s cheap. Certainly makes more sense than reflexively changing the clutch switch. ...or waiting for some guy in Italy to interpret the 7sm read out.
     
    Guzzi_Lou likes this.
  11. GTM®

    GTM® Administrator Staff Member GT di Razza Pura

    Joined:
    Jul 1, 2009
    Messages:
    11,866
    Likes Received:
    4,029
    Location:
    Malibu
    I feel you, but as the saying goes... "Moto Guzzi - Making mechanics out of riders since 1921."
    The basis of this site is to help those that enjoy the bikes aside from all of their issues.
    Best to you with another brand.
     
  12. Ste

    Ste Just got it firing!

    Joined:
    Aug 5, 2014
    Messages:
    20
    Likes Received:
    10
    Location:
    Virginia
    Sorry for the rant. Felt the info could help someone.

    Btw: I’m only done with Piaggio. I’ll hang on to the loopframe. As long as Charlie Mulledore and Greg Bender are keeping it alive, I’m in.

    ... but maybe the v85?

    Until then...
     
  13. GTM®

    GTM® Administrator Staff Member GT di Razza Pura

    Joined:
    Jul 1, 2009
    Messages:
    11,866
    Likes Received:
    4,029
    Location:
    Malibu
    All good, and it sure will.
    Cool on the loop, and don't count on anything different with the V85. You'll only be disappointed further I suspect being an all new model.
     
  14. Guzzi_Lou

    Guzzi_Lou Cruisin' Guzzisti

    Joined:
    Jul 4, 2015
    Messages:
    188
    Likes Received:
    34
    Location:
    Toronto, Canada
    Thanks for that ... now to wait and see if someone else can also resolve with a new crank position sensor.
     
  15. PaulDavies

    PaulDavies Cruisin' Guzzisti GT Contributor

    Joined:
    Aug 30, 2016
    Messages:
    293
    Likes Received:
    169
    Location:
    Comox, BC, Canada
    Quick question, you mentioned you cleared the codes and replaced the CPS (today) and everything is now good. Did you take it for a long ride in hot conditions and perhaps altitude to verify. I guess what I'm trying to ask is, are you sure it's fixed, or did you just get lucky on a cool day. I've been here so many times with cars and other bikes that you think you've cracked the problem only for to reappear later, under different conditions

    BTW truly hoping that this was the fix for your bike
     
    dhwilson50 likes this.
  16. Ste

    Ste Just got it firing!

    Joined:
    Aug 5, 2014
    Messages:
    20
    Likes Received:
    10
    Location:
    Virginia
    ...don't jinx me.

    i can't be certain, but it was high 80's. plenty hot. i ran the bike hard in second gear running it at 5 grand for extended periods. then in town sitting around at lights. the oil cooler thermostat started the fan. previously, that temp would have rendered the bike unrideable.

    but no symptoms, save for slight ping on acceleration. i chalk that up to the stock lean fueling -- which makes the bike run even hotter.

    per todd, i restored everything to stock before taking it to the dealer. when i get some time in a couple weeks, i'll put the pc/at and wide band lambdas on and report back.
     
    GTM® likes this.
  17. Ste

    Ste Just got it firing!

    Joined:
    Aug 5, 2014
    Messages:
    20
    Likes Received:
    10
    Location:
    Virginia
    pcv/at back on. temp in the mid 90's. idle and acceleration good. I only wished I hadn't listened to the mechanics who firmly asserted that the cps "either works or it don't."

    i'd put that sensor high on the troubleshooting list -- if only because it's so cheap and easy to swap out.
     
  18. Rickhinnz

    Rickhinnz Tuned and Synch'ed GT Contributor

    Joined:
    Jul 27, 2011
    Messages:
    88
    Likes Received:
    20
    Location:
    Auckland, New Zealand
    15K and clutch switch packed a sad.
    SERVICE on dash

    Prior to that the throttle was starting to hang on idle.

    V4LS switch replaced. Alaris used to reset warning.
    Problem solved.

    Thank you Todd and forum.

    Money, time and aggrovation saved.
     
    GTM® likes this.
  19. Mike Tryon

    Mike Tryon Eldorado FTW!

    Joined:
    Aug 26, 2014
    Messages:
    24
    Likes Received:
    18
    Location:
    Washington
    I had a sticking throttle it would just hang at 3K with the throttle released. It made exiting the freeway interesting a few times (feather the clutch and it worked.) Ended up having a temp sensor replaced the one between the jugs. after that problem went away. It was explained to me that the ECU uses engine Temp as part of a fuel calculation. Sounded like BS to me at the time but, when a new one went in presto no problems for over a year now. I know that is what was done as I watched as the work was done.
     
  20. GTM®

    GTM® Administrator Staff Member GT di Razza Pura

    Joined:
    Jul 1, 2009
    Messages:
    11,866
    Likes Received:
    4,029
    Location:
    Malibu
    Not BS, very true.
     

Share This Page