Already replaced the tps & that did not fix the problem, any suggestions? very low idle & stutters when u hit the gas.
Usually the problem is a faulty TPS, the sensor is out of adjustment, or there is a problem with the wiring harness. The sensor should read less than one volt with the throttle plate closed.
Testimonial: "already replaced the tps & adjusted it,still same problem. also checked the wiring to the tps & it all falls under specs. any other suggestions?"
SOURCE: what are the symptoms of a bad egr valve ina 1994 geo tracker?
this may help
EGR Theory. EGR serves one purpose and one purpose only. That purpose is to reduce Oxides of Nitrogen (NOx). Undernormal combustion, Nitrogen(N2)Oxygen (O2) in the air and Hydrocarbons (HC) in the fuel combind into water(H2O) Carbon dioxide (CO2) and the Nitrogen remains unchanged. Under very hot combustion temperatures, the Nitrogen reacts with the other two byproducts and forms Nitrogen oxide (NO). After being released into the atmosphere, it picks up another Oxygen and becomes Nitrogen dioxide (NO2). In the presence of sunlight,
it combines with other compounds like Hydrocarbons and forms Smog. Since exhaust gas is inert (very stable) it doesn’t burn again. So by being introduced into
the combustion chamber, it will lower combustion chamber temps enough so that
the Nitrogen doesn’t react with the other compounds and is passed unchanged out
the tailpipe thus not contributing to smog. Now, since exhaust gas doesn’t burn, it
doesn’t exactly help with combustion. At higher RPM’s, this really isn’t noticable,
but at idle, the reintroduction of exhaust gas will cause a very rough idle and can
cause stalling if to much is introduced into the combustion chamber
SOURCE: transmission won't shift from low gear .
Check you transmission fluid if its thin theres your issue if not it could be your bands or your torque converter.
SOURCE: 1995 Geo tracker Stereo Unlock Code
If your lucky the code may have been written down in the manuel book. If it's not written down in the book or it's missing, drive to the chevy dealer that sells Geo trackers and the Service adviser can help you unlock the stereo by getting the information from the Vin number.
Good luck and hope this help. http://www.delcolockcodes.com/
SOURCE: I need the wiring diagram for a 96 Geo Tracker
1996 Geo Tracker Car Radio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: White
Car Radio Accessory Switched 12v+ Wire: White/Black
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Yellow
Car Stereo Dimmer Wire: Red/Green
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): White
Left Front Speaker Negative Wire (-): Black/Blue
Right Front Speaker Positive Wire (+): Blue
Right Front Speaker Negative Wire (-): White/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Light Green/Black
Right Rear Speaker Positive Wire (+): Gray
Right Rear Speaker Negative Wire (-): Gray/Black
SOURCE: 95 Geo Tracker - Automatic. Starts ok, but when
It needs a fluid change,and filter,in the transmission,also,add a additive called LUBEGUARD from napa auto parts,when you ask for the additive,be sure to get the one for gm,this additive keeps the valve body slick,and moving,this is the problem,your filter,and ,or,the fluid is dirty,and causing hydraulic problems,and valves to stick in the valve body in the transmission.
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