A bad fuel sending unit in a 2003 Toyota RAV4 can be identified by erratic or inaccurate fuel gauge readings, such as the gauge not moving or showing empty despite having fuel in the tank. Additionally, you might notice a fluctuating gauge while driving or a consistent warning light indicating low fuel. If you suspect a malfunction, testing the resistance of the sending unit with a multimeter can confirm its functionality. If the readings are outside the normal range, the sending unit may need replacement.
The 2003 Toyota RAV4 runs on regular unleaded.
you have to remove rear seat ,under the seat there's two covers , one is for the fuel pump , the other is for the fuel gauge sending unit .Remove cover on passenger side and remove fuel gauge sending unit .
The 2011 Toyota RAV4 runs on regular unleaded.
The 2012 Toyota RAV4 runs on regular unleaded.
The 2014 Toyota RAV4 runs on regular unleaded.
The 2005 Toyota RAV4 runs on regular unleaded.
The 2007 Toyota RAV4 runs on regular unleaded.
The 2009 Toyota RAV4 runs on regular unleaded.
The 2001 Toyota RAV4 runs on regular unleaded.
The 2006 Toyota RAV4 runs on regular unleaded.
The 2010 Toyota RAV4 runs on regular unleaded.
The 2013 Toyota RAV4 runs on regular unleaded.