Help! Help!! Help!!! Please!!!!
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CEL is Check Engine Light
TPS is throttle Position Sensor
Our trucks are speed density, so there isnt a mass airflow sensor. We have an IAT or intake air temp sensor, and MAP manifold air pressure sensor. using those sensors, our computers calculate how much air our trucks are breathing in.
The bat issue could be a dieing alternator or a voltage regulator. (not sure if they are separate or not...) A draw test would help to know if its gettign a charge, then losing it. If you have a volt meter, you could start the truck and see if its getting a good charge from the alt...
TPS is throttle Position Sensor
Our trucks are speed density, so there isnt a mass airflow sensor. We have an IAT or intake air temp sensor, and MAP manifold air pressure sensor. using those sensors, our computers calculate how much air our trucks are breathing in.
The bat issue could be a dieing alternator or a voltage regulator. (not sure if they are separate or not...) A draw test would help to know if its gettign a charge, then losing it. If you have a volt meter, you could start the truck and see if its getting a good charge from the alt...
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Record Breaker
Joined: Sep 2009
Posts: 1,128
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From: edmonton ab
CEL is Check Engine Light
TPS is throttle Position Sensor
Our trucks are speed density, so there isnt a mass airflow sensor. We have an IAT or intake air temp sensor, and MAP manifold air pressure sensor. using those sensors, our computers calculate how much air our trucks are breathing in.
The bat issue could be a dieing alternator or a voltage regulator. (not sure if they are separate or not...) A draw test would help to know if its gettign a charge, then losing it. If you have a volt meter, you could start the truck and see if its getting a good charge from the alt...
TPS is throttle Position Sensor
Our trucks are speed density, so there isnt a mass airflow sensor. We have an IAT or intake air temp sensor, and MAP manifold air pressure sensor. using those sensors, our computers calculate how much air our trucks are breathing in.
The bat issue could be a dieing alternator or a voltage regulator. (not sure if they are separate or not...) A draw test would help to know if its gettign a charge, then losing it. If you have a volt meter, you could start the truck and see if its getting a good charge from the alt...
for not putting the two together but like i said my buddy is gonna test it tomorrow in the mean time ill hafta to get to work and then there again will it throw a code if the CEL iisnt coming on? cause i may be able to get an obd tonight
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Joined: Mar 2010
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Two simple tests can rule out the battery. Check the voltage before doing anything. It should be sitting at a minimum 12.65 on a digital voltmeter. While cranking the engine have someone read the voltmeter, and it should drop to no less than 9.6 volts. 10 or more volts would be better. Everytime you run your lead acid battery down, it loses capacity. If you say you've done it a few times, then it might be on it's way out.
Two simple tests can rule out the battery. Check the voltage before doing anything. It should be sitting at a minimum 12.65 on a digital voltmeter. While cranking the engine have someone read the voltmeter, and it should drop to no less than 9.6 volts. 10 or more volts would be better. Everytime you run your lead acid battery down, it loses capacity. If you say you've done it a few times, then it might be on it's way out.
I would lean toward the TPS as well. That bisch will do weird stuff like idle oddly, startup hard, hesitate on acceleration, etc. You can test it with a multimeter and compare it to the factory specs. Bad gas would show up all the time not just at startups
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Record Breaker
Joined: Sep 2009
Posts: 1,128
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From: edmonton ab
so gotta obd this morning it said something bout no powertrain dtc comp locked freezing... IDK what any of that means when I checked vehicle info I had some lights flashing C,EV,O,OH,E, if this means anything IDK. also when I got up this mornin truck started got gas truck started went to run the obd after sitting at the shop for a half hour and dead... WTF!!!