this car when cold runs great soon as it warm up it tries to die and sputters,jerks ect.I dont know, could it be coil pack or mass air flow? anyway to check previously replacing?thanks surrounded by advance.
Answers: Does the check engine frothy come on? Any computer-controlled devices like MAF sensor, temp sensor or crank sensor,etc...should set stale a trouble code if they are not working properly or getting a impossible reading. The ignition coils and module are not in the closed loop of the computer system and will not set rotten a code if they're bad, so I suspect the coils or module are impossible which is common and produce the problem you're have. My mom's Buick Lesabre with the 3.8 engine did indistinguishable thing. You should replace the module and coils as a set because if one or the other go bad from warmth buildup, it causes a strain on the rest and they will come to nothing soon anyways. Some parts stores offer to oral exam them if you bring them in sour the vehicle but I don't think they can do it accurately as they requirement to be tested when they are hot from engine heat to see if they are failing....not basically removing them when the engine is cold....3 coils and the module usually run a couple hundred dollars. If not done already, you may want to replace plugs and wires as well.
Batauto.com have info on trouble codes and how to get them if the check engine reading light is coming on...drop down menu on right side of the homepage.
check to see if it has two temp. sensors. one for the Gage and one for the computer. more than potential the one for the computer is giving a false reading. if so try swapping the wires to see what the gage says.
Answers: Does the check engine frothy come on? Any computer-controlled devices like MAF sensor, temp sensor or crank sensor,etc...should set stale a trouble code if they are not working properly or getting a impossible reading. The ignition coils and module are not in the closed loop of the computer system and will not set rotten a code if they're bad, so I suspect the coils or module are impossible which is common and produce the problem you're have. My mom's Buick Lesabre with the 3.8 engine did indistinguishable thing. You should replace the module and coils as a set because if one or the other go bad from warmth buildup, it causes a strain on the rest and they will come to nothing soon anyways. Some parts stores offer to oral exam them if you bring them in sour the vehicle but I don't think they can do it accurately as they requirement to be tested when they are hot from engine heat to see if they are failing....not basically removing them when the engine is cold....3 coils and the module usually run a couple hundred dollars. If not done already, you may want to replace plugs and wires as well.
Batauto.com have info on trouble codes and how to get them if the check engine reading light is coming on...drop down menu on right side of the homepage.
check to see if it has two temp. sensors. one for the Gage and one for the computer. more than potential the one for the computer is giving a false reading. if so try swapping the wires to see what the gage says.
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