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poss Newbie
Joined: 14 Aug 2009 Posts: 7 Location: WOLVES
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Posted: Fri Aug 14, 2009 22:48 Post subject: "CHECK ENGINE" warning light on |
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Hi ALL,
some one give me a clue on this please,
1998/9 vitara 1.6 -8valve 4U2 . 44 thousand miles only!!
When driving the "Check Engine "warning light comes on and stays on,
it is intermittant and sometimes never comes on at all, and other times just comes on,
if i pull over and turn off ignition and then re-start light stays off,but then will come on
again any time after.
i went to wales from wolves about 120 mile and it never came on ,another time you can
go 5 mile and on it comes.
car has new fuel filter, air filter ,plugs ,oil and filter (never uses any ) and runs nice.
i have cleaned oxegen sensor and looks ok and does not seem exessive on fuel.
do i have a cat , lambda or relay problem??
all advise welcome a my naggin wife warning light just flashed on
thanks in advance
POSS....................................... |
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Posted: Fri Aug 14, 2009 22:48 Post subject: Google Ads keep this community free to join! |
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deathbus ****
Joined: 10 Apr 2009 Posts: 250 Location: probly lyin down
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Posted: Fri Aug 14, 2009 23:52 Post subject: |
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lambda sensor was my thought.
il have a look and see if i can find a way to bridge the service connector to get the code out for you.
should be something out there _________________ if its got t*ts or tyres, its gonna be trouble!! |
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deathbus ****
Joined: 10 Apr 2009 Posts: 250 Location: probly lyin down
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Posted: Sat Aug 15, 2009 10:55 Post subject: |
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after much rooting around i found this.
hope its of some use
NOTE: This information does not apply to carberated engines, as they will have a check engine light but don't store codes, so you have to troubleshoot manually to determine which sensor is causing the problem.
DTCs may be accessed by installing a spare fuse into the fuse box diagnostic terminal, located under the LH side of the instrument panel, then turning the ignition On.
Reading trouble codes
The instrument panel Check Engine lamp displays the DTCs. In normal operation the lamp will light when the ignition is turned on.
However, two different lamp functions can occur when the engine is started. The lamp may turn off immediately, indicating there is no fault at that time, or stay lit, informing the vehicle operator that there is a system failure. If the lamp stays lit a DTC will be stored in the ECM memory. When a DTC is accessed from the ECM memory the Check Engine lamp will flash in a series, indicating the DTC number. When multiple system failures occur applicable DTCs will be indicated three times each.
DTCs will continue to flash as long as the ignition is On, and the diagnostic switch terminals are grounded.
Clearing Codes
DTCs may be erased by disconnecting and isolating the battery ground cable for more than 60 seconds, or after 50 key cycles if the malfunction has not recurred.
12 All Clear (No Fault Detected)
13 O2 Sensor circuit
14 Coolant Temperature Sensor Circuit
15 Coolant Temperature Sensor Circuit
21 Throttle Position Sensor Circuit
22 Throttle Position Sensor Circuit
23 Intake Air Temperature Sensor Circuit
24 Vehicle Speed Sensor Circuit
25 Intake Air Temperature Sensor Circuit
31 Atmospheric Pressure Sensor Circuit
32 Atmospheric Pressure Sensor Circuit
41 Ignition Signal Circuit
42 Crank Angle Sensor Circuit
44 Idle Switch Sensor Circuit
45 Idle Switch Sensor Circuit
51 EGR System & Recirculated Exhaust Gas Temperature Sensor
53 Ground Circuit
54 Fifth Gear Switch Circuit
71 Test Switch Circuit
ON ECM failure _________________ if its got t*ts or tyres, its gonna be trouble!! |
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deathbus ****
Joined: 10 Apr 2009 Posts: 250 Location: probly lyin down
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Posted: Sat Aug 15, 2009 11:05 Post subject: |
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the egr valve is prone to clogging as well, could be worth taking it off and giving it a clean _________________ if its got t*ts or tyres, its gonna be trouble!! |
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poss Newbie
Joined: 14 Aug 2009 Posts: 7 Location: WOLVES
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Posted: Sun Aug 16, 2009 19:33 Post subject: yo warning light |
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Hi ALL.
Thank you for your efforts thats exellent
Thank you
POSS.. |
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deathbus ****
Joined: 10 Apr 2009 Posts: 250 Location: probly lyin down
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Posted: Sun Aug 16, 2009 21:49 Post subject: |
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no drama bud _________________ if its got t*ts or tyres, its gonna be trouble!! |
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poss Newbie
Joined: 14 Aug 2009 Posts: 7 Location: WOLVES
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Posted: Tue Aug 18, 2009 18:28 Post subject: SORTED yo yo !! |
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HI,
Deathbus just like to say a big thanks for your info mate!
Never gave the EGR a thought,
add one fuel injection cleaner to petrol.
nailed a poor wire connetion at Lambda .
re-set/cleared fault codes ,
RESULT , NO DASH LIGHT and ONE mot pass today on emmissions
but better than that "naggin wife" warning light gone off yo yo yo !!
Thanks again for your help much appreciated
cheers POSS!! |
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deathbus ****
Joined: 10 Apr 2009 Posts: 250 Location: probly lyin down
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Posted: Tue Aug 18, 2009 21:39 Post subject: |
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good stuff mate!!
glad i could help. _________________ if its got t*ts or tyres, its gonna be trouble!! |
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DaiRees ****
Joined: 12 May 2007 Posts: 289 Location: Merthyr Tydfil, South Wales (God's Country!)
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Posted: Tue Aug 18, 2009 22:14 Post subject: |
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Awwww, don't ya just love happy endings
Good result Poss
And 'bus, top marks!! _________________
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deathbus ****
Joined: 10 Apr 2009 Posts: 250 Location: probly lyin down
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Posted: Tue Aug 18, 2009 22:32 Post subject: |
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_________________ if its got t*ts or tyres, its gonna be trouble!! |
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