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internal88
internal88, Auto Mechanic
Category: Car
Satisfied Customers: 1582
Experience:  I've been working with automotive industry for almost 20 years. I also have an engineering background. Saving one car at a time.
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tracker: runs fine..it sputters, loses power, and stalls

Customer Question

94 geo tracker runs fine when the engine is cool but after 20-30 miles when the engine heats up, it sputters, loses power, and stalls. After letting the engine cool, it will start back up but the problem continues when it heats back up.
Submitted: 2 years ago.
Category: Car
Expert:  internal88 replied 2 years ago.

Customer: Hi I'm going to help you out. Do you have the tbi or the mfi engine?
Customer : don't know which one I have
Customer: It is very important for me to know to proper diagnose this vehicle. Open your hood and tell me if there is fuel injector rail. If there a fuel injector rail then it is a mfi engine.
Customer : Please excuse my ignorance but what is a fuel injection rail?
Customer:

Full Size Image

Customer:

it looks like this it is mounted horizontally near the top of the engine.

Customer : Checking right now
Customer : Yes it has fuel injector rail
Customer:

ok good

Customer:

please hold on

Customer : Ok
Customer : I only have problems after the car has driven about 15 miles and it heats up, then it sputters, loses power, and stalls
Customer:

Most likely your power is the ignitor and the ignition coil.

Customer:

When those components get heat up it will have these symptoms.

Customer:

Full Size Image

Customer:

See the chat for details.

Customer : Do I need to have a mechanic change these or can I do it?
Customer:

Not really but you can try. It's not that difficult.

Customer:

I don't know if you are handy person.

Customer:

Do you have all the right tool?

Customer : Yes
Customer:

If not, then bring it to a professional

Customer:

Can you give me a few min , I will supply you with the procedure.

Customer : So, these problems will manifest after the engine heats up?
Customer : Yes
Customer:

yes, the module has a problem it will happen when it is heated.

Customer : Ok
Customer:

Your answer is yes.

Customer : Ok
Customer:

Please accept my answer. Therefore I will go into my database and supply your with the procedure.

Customer:

Thank you.

Customer:

Thank you sir. Give me a few minutes I have log on my central database.

internal88, Auto Mechanic
Category: Car
Satisfied Customers: 1582
Experience: I've been working with automotive industry for almost 20 years. I also have an engineering background. Saving one car at a time.
internal88 and 14 other Car Specialists are ready to help you
Expert:  internal88 replied 2 years ago.
REMOVAL - FOR THE COIL


Disconnect the negative battery cable.
Disconnect the engine control switch and tachometer connectors at the coil, if equipped.
Disconnect coil to distributor lead at the coil.
Remove screws holding the coil bracket and coil to the engine.
Remove coil bracket and coil.
Remove coil from coil bracket.
INSTALLATION


Install coil to coil bracket with two screws.
Install screws to hold coil to coil bracket.
Install coil and coil bracket to engine. Tighten screws to 22 Nm (16 ft lb).
Connect coil to distributor lead.
Connect engine control switch and tachometer connectors at the coil, if equipped.
Connect negative battery cable.

REMOVAL - This is for the igniter.


Disconnect negative battery cable.
Disconnect igniter electrical connector.
Remove two screws and igniter from ignition coil mounting bracket.
INSTALLATION


Install igniter to ignition coil mounting bracket and secure with two screws.
Install igniter electrical connector.
Connect negative battery cable, and torque to 15 Nm (11lb-ft).
Expert:  internal88 replied 2 years ago.

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Module / ignitior

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