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Old 10-12-2017, 11:13 PM   #2
fdryer
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Join Date: Jan 2006
Location: NYC
Posts: 41,068
 

2003 L-Series 3.0L Sedan
Default Re: P2138 Code as well as battery issues

You may be describing several problems - main power ( battery, battery cables and their connections, alternator and drive belt), P2138 throttle/pedal sensor errors, and emissions errors related to vacuum or fuel vapor pressure (error code?).

Main power can be checked with a multimeter for standby battery voltage (12.5v) and engine idle (14.5v).

P2138; http://www.saturnfans.com/forums/sho...d.php?t=200967 and https://www.justanswer.com/saturn/3r...ode-p2138.html.

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