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So I have a 1997 Jeep Grand Cherokee 4.0L V6 that doesn't get used much, usually once or twice a month (always gets up to highway speeds when it does run) that I had to take in to get emission tested. Passed with flying colors EXCEPT the emission systems were not "ready". Smog tech asked if I replaced the battery or cleared the codes (I hadn't) and showed me that the systems weren't ready.
BUT I remember when the tech went to start the car, it started and then heard it sort of die and then he went to restart it. When I got in the car after it had failed the test, the VIC was flashing to reset the date/time so that explains why the systems weren't ready.
I know the vehicle has issues sometimes where it will die (from a start) if I don't hold the gas down and keep the RPMs up. Looking it up, it sounds like it's a common thing and is the throttle position sensor. Since the car hadn't been started for a while, I hooked up a multimeter to the battery and it was 12.4 off and 13.7 running. Planning to remove the battery, let it charge to get back up to full and see if it holds a full charge before I drop $200 on a new battery (though it is 5 years old). Thing is though, it has never not started right up.
Just wanting some thoughts if I low/weak battery could cause the "system" to act that way or even if a faulty TPS can or if it sounds like something else.
BUT I remember when the tech went to start the car, it started and then heard it sort of die and then he went to restart it. When I got in the car after it had failed the test, the VIC was flashing to reset the date/time so that explains why the systems weren't ready.
I know the vehicle has issues sometimes where it will die (from a start) if I don't hold the gas down and keep the RPMs up. Looking it up, it sounds like it's a common thing and is the throttle position sensor. Since the car hadn't been started for a while, I hooked up a multimeter to the battery and it was 12.4 off and 13.7 running. Planning to remove the battery, let it charge to get back up to full and see if it holds a full charge before I drop $200 on a new battery (though it is 5 years old). Thing is though, it has never not started right up.
Just wanting some thoughts if I low/weak battery could cause the "system" to act that way or even if a faulty TPS can or if it sounds like something else.