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Discussion Starter · #1 · (Edited)
Hey guys, 2003 Corolla 200,000 miles, so for the past couple of months my cars been having a hard time starting. The odd thing is that the first time you start it it will take a while but if you go out and start the car again and hour later it'll start fine. But after an 8 hour school day, it has a hard time again. Thought it was the spark plugs so those were changed to NGK Iridiums but still no change. Battery test is clean. OBD has P0133 error (Bank 1, Sensor 1 Slow Response). Halfway through the start up it sounds like it starts but goes right back to cranking. Could the O2 sensor be the culprit? Does anyone have any ideas as to what it could be?
Thanks.
 

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Discussion Starter · #3 ·
Year, model, mileage, and maintenance history? Automatic or manual?
2003 Automatic Corolla w/ 200,000 miles. Had all struts replaced recently. Regular maintenance upkeeps. Head gasket has been replaced. Remote start was added back in '07 but hasn't worked for the past couple of years. PCV valve hose was also replaced recently. Can't think of anything else, at the moment.
 

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19 Corolla HB SE 6-spd
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Discussion Starter · #5 ·
http://www.toyotaparts.metro-toyota...BFREEZING_AMBIENT_TEMPERATURES_T-EG045-07.pdf

http://www.toyotanation.com/forum/1...tiac-vibe-intake-gasket-replacement-pics.html

http://www.toyotanation.com/forum/1...ibe-tb-iacv-intake-clean-replace-gaskets.html

http://www.toyotanation.com/forum/1...pontiac-vibe-maf-sensor-removal-cleaning.html

Check and clean your ground connections too by removing the bolt to sand off any oxidation and paint and check the eyelets at ground cable ends, underneath battery and top of tranny, and from driver's side engine head to chassis near strut tower.

thanks so much! will get started once it starts raining.
 
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