| [ Total Views: 1438 | Total Replies: 12 | Thread Id: 58365 ] |
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 TasDub
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| posted on November 9th, 2006 at 12:11 PM |
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t3 surge and stop
my t3 van has a surge problem.when at operating temp and idling the revs will die and come back [this takes about 5-10 secs] about 3 or 4 times a
minute.when driving around town sometimes when you put your foot down to accelarate it will pause for a couple of seconds and then go. i am only
guessing that these 2 conditions have the same cause. any suggestions. also any suggestions on a good repair manual. thanks in advance
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greedy53
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| posted on November 9th, 2006 at 02:04 PM |
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when was the oxy senser changed in the exhaust
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TasDub
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| posted on November 9th, 2006 at 02:25 PM |
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t3 surge and stop
no idea greedy 53. where is it and what does it look like?
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greedy53
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| posted on November 9th, 2006 at 06:19 PM |
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i should ask what motor are you using this is for a 2.1 water cooled
it should be fitted in the cat just before the muffler and it looks like a round plug with 2 wires comming out they should be changed every 100000
klm's it controls your fuel computer telling it how to measure the fuel in and can cause all kinds of trouble and there is no way i know of testing
them
[ Edited on 9-11-2006 by greedy53 ]
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TasDub
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| posted on November 9th, 2006 at 08:42 PM |
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yes,its a 2.1 water coolled,89, done 240 k. the sensor is there and is connected.the exhaust pipe adjacent to the cat has a new piece in it. about 150
mm long. it is as if it was put in to replace something ? can you recomend a supplier for a new sensor? any ideas on price?thanks again
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johny rotten
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| posted on November 10th, 2006 at 07:07 AM |
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it won't be the O2 senser keep looking elswhere
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johny rotten
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| posted on November 10th, 2006 at 07:08 AM |
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check intake system for air/ vacuum leaks
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TasDub
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| posted on November 12th, 2006 at 04:33 PM |
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surge and stop
johny rotten,thanks for the input.this arvo after work i checked the intake system joints that are visibible in the engine bay.they all look like they
are properly fitted together,square and not crooked,feel tight, and then i sprayed them lightly one at a time with aerostart.wonderful stuff.there was
no change in engine speed .i guess that rules them out but it was good to check them .
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Kombi_Rescue
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| posted on November 12th, 2006 at 06:44 PM |
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looks lioke the ignition timing is way too far advanced..the ecu compensates and retards the system..to chechk timing disconnect water temp senor
disconnect a yellow plug with green wire at the fire wall engine should rev up and set the timing mark on the crankcase join....this is only one
suggestion with little info to hand hope it helps you can u2u me for some further suggestions cheers steve
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Iwish4aSynchro
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| posted on November 13th, 2006 at 12:33 PM |
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Wrong path
| Quote: | Originally
posted by Kombi_Rescue
looks lioke the ignition timing is way too far advanced..the ecu compensates and retards the system..to chechk timing disconnect water temp senor
disconnect a yellow plug with green wire at the fire wall engine should rev up and set the timing mark on the crankcase join....this is only one
suggestion with little info to hand hope it helps you can u2u me for some further suggestions cheers steve
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If he is a learner i would not suggest the worst case scenario.
And i am pretty certain but the ecu does what it does and if it aint broke dont fix it, this only applies to the ecu. Not this is not my
philosphy.
Clarity in question. Check as suggested the O2 sensor about 98 bucks with lanyard from Repco mob. If this is not answer to prob, have a look at the
throttle body and check to see the throttle position sensor's location. Depending where this is set can and does have adverse affects on one's
vanagon, when in conjuction with air sensor/regulator at the air intake box.. Confusing i understand; try writing it.
Happy hunting
Keep the steering and the propulsion seperate . Still a Kombi...
It's all good, until it's bad, i suppose
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Iwish4aSynchro
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| posted on November 13th, 2006 at 12:38 PM |
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Next have you had a look at what is coming out of the rear, colour of the pipe?
Will need more info. but hope this all helps
Apologies to you Steve no disrespect meant.
Keep the steering and the propulsion seperate . Still a Kombi...
It's all good, until it's bad, i suppose
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greedy53
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| posted on November 13th, 2006 at 06:51 PM |
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try a new coil i had i bit of fun with one that got hot and failed
[ Edited on 13-11-2006 by greedy53 ]
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Iwish4aSynchro
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| posted on November 13th, 2006 at 09:02 PM |
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Coil will be showing evidence at startup, yeh? Could be the prob though, i was thinking about the description of " when you put your foot down it
will pause for a couple of seconds and then go". Sounds more like fuel than electrics. But as thes are the only two things that will make it run like
a hairy goat or beetle on steriods depending on the end of the scale. I could almost think TasDub could be heading in the general direction of
troubleshooting your T3.
Keep the steering and the propulsion seperate . Still a Kombi...
It's all good, until it's bad, i suppose
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