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Old 02-17-2016, 08:35 PM   #1
jtoxx
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Drives: 2008 yaris
Join Date: Feb 2016
Location: cleveland, ohio
Posts: 1
throttle body

Well its been three weeks of troubleshooting. car just decided it was not going to run anymore. would start and die first thought it was a fuel pump after 185k could not hear it. ripped the backseat out clips would not let go then checked the voltage at the pump had some but that was for the sending unit put 12v on the pump and it ran. checked all the relays they were ok. checked the voltages as listed on this site which indicated I most likely had a bad ecm.
ordered one from a junkyard. no fix. however after trying to start I had a motor sound coming from the throttle body. went looking for all the sensors and started with the MAF sensor took it out sprayed it and got it to run longer still stalled after revving. so I ordered a new MAF sensor and decided to order a throttle body from junkyard. well MAF sensor was out of inventory from an ebay seller but Throttle body arrived. Installed and after 2nd start computer learned position and its fixed. Not sure what is wrong with original took it apart basically a motor and a position sensor all looked pretty clean. Funny, the car threw no codes on the old parts only when I put in the new used throttle body. anyone has ever experienced something like this?
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