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#1
07-01-2005, 04:14 PM
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codes 34 & 21
hello
I found the codes 34 Maf air on my TS 92 and also 21 does that mean that thoses parts are broken or is it possible to do something I don't want to go to the dealer shop , the one here in Paris is for reach peple and spares parts are really expansive and also the work. Thank you for your help 
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#2
07-03-2005, 03:23 PM
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Re: codes 34 & 21
21 is TPS high. www.avigex.ca/xport/dtc21.jpg TPS is a variable resistor and can be tested easily: key off, disconnect the plug and test resistance between sensor connector B and C: initial value should be a few hundred ohms, adn then as someone slowly depress throttle, resitance should increase steadily to a high value..probably 5k or 10k ohms. Key point is you must have a steadily increasing value, not a sharp jump which would indicate prokec resistance track. Also possible, loss of contact at some points, specially at "normal" throttle position.
Maf is more complicated to test... www.avigex.ca/xport/maftest1.jpg www.avigex.ca/xport/maftest2.jpg but obviously, at some point, it procured some "out of range" value which might also relate to your previously reported problems with stalling..
__________________
'93 Ponty Transport 3.8; 2011 SUzuki SX4 AWD (wife's) ; 2015 Sorento 2.4 AWD 1928 Graham Paige Model 629 I don't believe in miracles.
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