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2003 Toyota Tacoma - Page 2 Questions & Answers
Is there a way to reset the check engine light?
u can either take it to a local part store most will read your codes and reset them if you ask or u can disconnect your negative battery terminal but disconnectiong your battery you may lose all you radio presets
How do i remove rear interior side panels on 03 toyota tacoma prerunner ext cab
Not familiar with this model, but most interior panels are held in place with plastic push clip these days. Remove any arm rests, ash trays, etc, then start at the bottom one corner or the other and use special fork like tool (or make one) that slips between panel and body, pry gently and use flashlight to locat 1st clip, insert tool so that fork stradles the clip and pry to remove. Clip may be damaged so you may have to replace some. Work your way around the panel until all are loose. On some panels you must then raise upward to release other slotted fasteners. Go slowly, try not to damage panel. Good luck.
What does toyota codes PO037 and PO136 mean?
P0037 is "Heater Control Circuit Low Bank 1 Sensor 2".
P0138 is "Oxygen Sensor High Voltage".
It sounds like it's time to check the connector to your oxygen sensor, and probably replace it (the O2 sensor).
2000 Toyota Tacoma Horn Relay location needs replacing
1- The HORN fuse is located in the fuse panel on the driver's side under the engine hood. Of course, if it is "blown" replace with the SAME size or smaller and retest the horn.
2- Verify the horn itself (isolated) using one wire attached to the Main Battery + (POSITIVE) to the spade terminal on the horn. The horn can be accessed after carefully unclipping the fasteners connecting the front grill to the radiator area- just be careful- work slowly. The horn is naturally grounded to the vehicle frame.
3- If the horn sounds with the direct bypass voltage test move to the cab. when you depress the combo horn pad/airbag listen carefully for the relay behind the left under-dash area. If you hear it, then the relay is "closing" but it still may be bad or the voltage from the horn relay is not getting to the horn. I would replace the relay. However, there may still be a wiring problem to the horn.
4- The Horn Relay for the '00 Toyota Tacoma V6 4WD I worked on was BEHIND the cabin fuse panel on the far left driver's side (oh thanks guys). I went to the trouble of pulling down this relay/fuse block- it was not exactly "easy" but I am not a beginner and had the tools and my curiosity and sleuthness prevailed. If the new relay does not fix this issue my next step is to replace the wire from that relay to the horn. Again, not easy but not impossible either. Take you time, use the right tools and materials & check your work. The only other option was mentioned earlier- drop in a new momentary switch (lighted?) into the dash and run a new wire. I would NOT use switched power so it can be used without the vehicle running... I think it is safer. This is a view of the interior panel dropped down. One of the relays can be seen- the grey cube with a empty relay socket just to the right. Why they put these here- is anyone's guess.
Check engine
well if you don't have a scanner then disconnect battery for 30 min but if your don't the problem it will return
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