1997 Chevrolet Lumina Logo
janet huss Posted on Feb 16, 2016
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What do these codes mean on a diagnostics check? c, ev, o, oh,e? what are these numbers for ISO9141 KWP2000 and why does it steady blink on monitor then say backfire problems?

Put new starter on car and finally got car to start but it chugs spits and sputters really bad. Car had ran fine til it ran out of gas a week ago. Put gas in it and it ran ok for couple more days and then it died and when i started it i had to keep pumping accelerator to keep from dying then when i put it in drive it died and continued this behavior until it just quit turning over. Thought it was slush off bottom of gas take clogging fuel filter so put gas treatment and heet in gas tank it still just went click click click when trying to start so then put new starter in and now it will start but dont want to stay running cause it chugs spits sputters so bad. What could possibly be wrong?

1 Answer

JOHN LAPIER

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  • Chevrolet Master 2,602 Answers
  • Posted on Aug 08, 2016
JOHN LAPIER
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Joined: Oct 01, 2010
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You need to read the manual for the machine you are hooking to the vehicle .
These are errors not codes you need to understand how it works better.

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Feb 04, 2009

SOURCE: 89 chevy beretta gt- surges at idle, backfires and hesitates

Hi! I had the same problem with my 88 2.8 Ltr. Had dirty fuel Injectors. Put in fuel Inj. cleaner in gas tank, after a couple of days, runs like a dream,no more problems. Give it a try. Take care,Leo B. [email protected]

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Anonymous

  • 2 Answers
  • Posted on Jul 13, 2009

SOURCE: quits like fuel pump goes out but has good fuel pres new delco

i had the same problem and it died out of town got it towed and it was the fuel pump fuse and that was it they are famose for it

Molson02536

Harvey N Tawatao

  • 3854 Answers
  • Posted on Sep 03, 2009

SOURCE: 1991 Camaro RS v-6 will start but dies almost immediately

Keep it simple and replace the fuel filter first, if thr fiiler has not been replaced within 30,000 miles or 1 year. Then it's a good chance that it's going to be the fuel filter. 

Anonymous

  • 1 Answer
  • Posted on Apr 07, 2010

SOURCE: 2002 express 1500 van, will not start

Also, when you have the dog house off, remove the distributor cap and check for moisture.

Anonymous

  • 1627 Answers
  • Posted on Apr 15, 2010

SOURCE: pickup died while driving it

You need to put a fuel pressure tester in the fuel rail and then determine weather or not you need the fuel pump replaced,if this is not the case then the throttle position sensor is likely the culprit.

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3helpful
3answers

What does KWP2000 ISO9141

That is not an error code. That is the OBD type of communication protocol. or standard. To read the OBD codes you must have a scanner that is capable of using this protocol to connect to the ecu.
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Chevy trailblazer code iso9141 and kwp2000

Keyword Protocol 2000. From Wikipedia, the free encyclopedia. Keyword Protocol 2000, abbreviated KWP2000, is a communications protocol used for on-board vehicle diagnostics systems (OBD). This protocol covers the application layer in the OSI model of computer networking.
en.wikipedia.org > wiki > Keyword_Protocol_2000

Keyword Protocol 2000 - Wikipedia

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What does iso9141 and kwp2000 mean

KWP2000 (Keyword Protocol 2000) is not a trouble code but rather is the name given to a type of communications protocol that is used for on-board vehicle diagnostics systems. Auto diagnostic tools and programmers use Keyword Protocol 2000 to read and transfer data to your vehicle's electronic control unit, or ECU.

The ISO 9141 standard refers to the communication protocol used by DaimlerChrysler, Honda, and Toyota. ... The serial data line is the means by which the microprocessor-controlled modules that are connected to it communicate with each other.
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Trying to find the reason for code p2000

The scan tool your using is generic ISO 9141 is used as the protocal. Its not a code. kwp2000 is not shown. Try and use it on manufacture specific or try and get any freeze frame codes and reply or repost. ( Don't forget to turn ignition key to the run position when trying to retrieve codes.)
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What do the codes kwp2000, iso9141, and can obo2 mean?

You can look up the codes thru Google or by the OBO2 makers website
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I have a 2000 nissan maxima and its showing trouble codes kwp2000 and iso9141 the car will not turn over..what is the problem

go to www.aa1car.com and see the troubleshooting codes and what does mean.
see the diagram attached you can by pass it. God bless youe7da877d-2a0c-4982-9438-85174677d2a0.gif
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