Question about Jeep Cars & Trucks
I have 3 codes that come up at advance auto when they plug in scan tool. I have a check engine light on,thats it. 02 sensor bank 1(not sure which one this is. right wheel speed sensor malfunctioning. and g switch malfunction.where is the g switch and is there another name for it.
You havn't mentioned year but a "G" switch is a mercury filled sensor used in the braking system see attachments ( hopefully).Disconnect the battery , once located and removed DO NOT attempt to open up the component , place in a metal container and take to be recycled , mercury is very toxic , there is only ONE component the schematic shows the usual locations
Removal Procedure for 1993-2001 Jeep Grand Cherokee:
Fold the rear seat assembly forward and roll back the carpeting to gain access to the sensor.
Posted on Nov 18, 2014
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Posted on Jan 02, 2017
SOURCE: ERROR CODE
it means you have a bod O2 senser the front one as your car has two or three for a v6 but it will be the first one one in the pipe on the front side of a gm product or if your exhaust pipe comes off the back i.e. 2.3 it will be the one in the manifold itself ohh do not forget to check the plug first sometimes an over enthusiastic mechanic unplugs or tampers with these to get you to do more work check the plugs well and wires they are easily fixed
Posted on Jun 14, 2008
SOURCE: Actually I have 3 codes
1. Check up the intake system for air leaks. Just spray carburretor cleaner product around intake manifold area, engine idling. If the engine rpm will raise up, there are air leaks. Replace intake manifold gasket, and test again the engine for air leaks. Check up also the exhaust pipes for air leaks. Inspect the exhaust pipes for gases leaks. Repair & replace bad components if necessary. If everything is all right regarding air leaks, and the fault code 171 still occurs, replace the bank 1 upstream oxygen sensor.
2. If the CKP sensor has been changed with new one, just replace the Camshaft Position (CMP) sensor, and test again the engine. If the fault code 320 still occurs, check the harness wire by wire & connection plugs pins, and repair damages. This code must be erased definitely.
3. Replace ignition coil and test again the engine. The fault code 351 must be erased definitely.
Posted on Mar 10, 2011
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