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1991 ski doo safari l 377 runs bad intill warmed up

Just put new cdi box on before that it would run good till it was warm now just the opissite

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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emissionwiz
  • 76846 Answers

SOURCE: 1991 chevy lumina will hardly run

DTC - 22 Throttle position sensor error (signal low), is tps connected?
DTC - 23 Intake air temp sensor error (low temp indicated) check and make sure the sensor is connected
DTC - 43 Knock sensor error, ignore this for now, will not cause rich run.
DTC - 53 System voltage too high, check reference voltage from PCM, it should be around 4.5 Volts, this could be the cause of all your problems, the computer will need to replaced almost for sure.

Posted on Oct 06, 2008

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  • 10 Answers

SOURCE: my 1991 yamaha fzr 600 wont start

how long did you let it sit for with gas in the carbs, you may have clogged up your jets. after awile gas will break down and turn into varnish, if your bike trys to push the varnish through the system it will clog the jets. try to take off your seat then remove your plastic over the gas tank. remove the gas tank and you will see four bowls *silver ones right next to where the gas tank is on the carbs*. your bowls are in sets of two. there are drain screws on the bowls to remove the gas inside. remove the 16 screws holding the bowl onto the carb. *4 on each* inside you will see your floats and jets. carefully loosen the jets with a screw driver then finish unscrewing them by hand, they are brass and very soft. you should be able to hold up the jets to the light and see a small pin hole. if not get some carb cleaner and give them a squirt and blow them out. do not try to use anything to clean them out, they are very very sensitive and one knick will change the jet. after that i would spray some carb cleaner up the jet holes and try to clean them out also. if you have a compressor it would be wise to use that to blow out the gunk from the jet holes as well. after you run threw all 8 jets put them back together and see how it goes, if nothing you may have to check the jets again and if clogged again your carbs are gunked up and will need to be cleaned

Posted on Aug 12, 2009

dj_relly999
  • 4070 Answers

SOURCE: bad cold starting from my 2.7 diesel

good day, you might want to replace your engine oil with some anti freeze additive, may work just fine. hope this helps, have a nice day

Posted on Feb 08, 2010

  • 114 Answers

SOURCE: runs real rough up to 1500 rpm and dont hardly idle

Change your fuel filter for starters. I'm assuming you keep up with tune ups so plugs and wires wouldn't be the issue. If you haven't changed your PCV valve in a while I woud change it, or at least clean it. That plays with all sorts of systems. And finally, the most irritating one. the EGR valve. They can cause all sorts of problems so the symptoms can be all over the place. Aside from killing your performance, they also confound mechanics by behaving like other problems. Good luck.

Posted on Apr 17, 2010

  • 2 Answers

SOURCE: my 600 xc will run for a short time till its warm

Did you get any good advice i have the same problem on my 1996 indy 500 efi. LET ME KNOW drozek1@live.com

Posted on Feb 13, 2011

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