91 previa diagnostics

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CarGuru > Toyota > 91 previa diagnostics 5 April 2005 07:37:28

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91 previa diagnostics
Wayne 4 April 2005 00:37:38
	Can someone tell me which diagnostic terminals to jump for my 91 Previa, and clue me in on a few of the common flash codes? Thanks!
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TeGGer® 4 April 2005 04:55:53 [ permanent link ]
	"Wayne" <wayne99@fastmail.fm> wrote in news:1112560658.073817.77220@z14g2000cwz.googlegroups.com: Can someone tell me which diagnostic terminals to jump for my 91> Previa, and clue me in on a few of the common flash codes? Thanks!> The connector is under the driver's seat. Open it up and jump terminals TE and E1 with a paper clip or something, turn the ignition on then count the blinks from the Check Engine light. For code definitions, try here: http://www.off-road.com/toyota/tech/codes/ -- TeGGeR®
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Comboverfish 4 April 2005 07:39:24 [ permanent link ]
	Wayne wrote:> Can someone clue me in on a few of the common (Previa) flash codes? 25, 26, and 27 are common ones that indicate problems with the oxygen sensor. Usually it gets very slow to respond or just dies completely. 51 usually indicates the TPS wire harness right at the TPS connector is broken. The wires usually don't look broken but the conductor(s) inside the insulation will be broken and the insulation stretched. Toyota MDT in MO
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Wayne 4 April 2005 18:25:19 [ permanent link ]
	OK, I get a double flash, pause, single flash. According to the website that means 21, and my symptoms are consistant with code 21, oxygen sensor. Heck, thats been bad for years! My vehicle only has a few thousand miles left on it so I'm not going to worry about it unless the dying gets worse. usually it only happens in my driveway. Last time I priced sensors they were near $200, IIRC. BTW, the oil light and overdrive also flashed single flashes, but I presume those are meaningless. Thanks!
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Comboverfish 4 April 2005 19:04:37 [ permanent link ]
	Wayne wrote:> OK, I get a double flash, pause, single flash. According to the> website that means 21, and my symptoms are consistant with code 21,> oxygen sensor. Heck, thats been bad for years!> My vehicle only has a few thousand miles left on it so I'm not going worry about it unless the dying gets worse. usually it only happens my driveway. Last time I priced sensors they were near $200, IIRC.> BTW, the oil light and overdrive also flashed single flashes, but I> presume those are meaningless.> Thanks! OK, I forgot about 21. It is frequently accompanied by 25 or 26 and 27 if the rear sensor is bad also. Kinda common. Toyota MDT in MO
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Wayne 4 April 2005 19:15:32 [ permanent link ]
	Comboverfish wrote:> Wayne wrote:> > OK, I get a double flash, pause, single flash. According to the> > website that means 21, and my symptoms are consistant with code 21,> > oxygen sensor. Heck, thats been bad for years!> > My vehicle only has a few thousand miles left on it so I'm not going> to> > worry about it unless the dying gets worse. usually it only happens> in> > my driveway. Last time I priced sensors they were near $200, IIRC.> > BTW, the oil light and overdrive also flashed single flashes, but presume those are meaningless.> > Thanks!> OK, I forgot about 21. It is frequently accompanied by 25 or 26 and if the rear sensor is bad also. Kinda common.> Toyota MDT in MO I now see that 21 isnt (necessarily?) the sensor, but could be elsewhere in the circuit. Is there a particular place that problems are known to develop? I'm no electrician but I can look for broken wires. Does the 91 Previa have 2 sensors? I was only aware of the one near the catalytic converter.
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Oups 5 April 2005 05:40:42 [ permanent link ]
	My 92 previa got 2 sensors, one in front, and one back of the catalytic converter "Wayne" <wayne99@fastmail.fm> a йcrit dans le message de news: 1112627732.588237.257150@g14g2000cwa.googlegroups.com...> Comboverfish wrote:>> Wayne wrote:>> > OK, I get a double flash, pause, single flash. According to the>> > website that means 21, and my symptoms are consistant with code 21,>> > oxygen sensor. Heck, thats been bad for years!>> > My vehicle only has a few thousand miles left on it so I'm not> going>> to>> > worry about it unless the dying gets worse. usually it only happens>> in>> > my driveway. Last time I priced sensors they were near $200,> IIRC.>> > BTW, the oil light and overdrive also flashed single flashes, but> I>> > presume those are meaningless.>> > Thanks!>> OK, I forgot about 21. It is frequently accompanied by 25 or 26 and> 27>> if the rear sensor is bad also. Kinda common.>> Toyota MDT in MO> I now see that 21 isnt (necessarily?) the sensor, but could be> elsewhere in the circuit. Is there a particular place that problems are> known to develop? I'm no electrician but I can look for broken wires.> Does the 91 Previa have 2 sensors? I was only aware of the one near the> catalytic converter.>
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Wayne 5 April 2005 07:37:28 [ permanent link ]
	oups wrote:> My 92 previa got 2 sensors, one in front, and one back of the catalytic> converter yeah, as soon as I posted that I crawled underneath and felt real dumb. Doesnt matter anyway, frame will be rusted out within the year and its been puttin' away just fine (except foe the occasional die) for years even with a sensor problem.
		Add comment

CarGuru > Toyota > 91 previa diagnostics 5 April 2005 07:37:28

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91 previa diagnostics

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