Chevrolet Blazer:

93 S10 Blazer Bogs down now after radiator change.

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#1 3/4/2011 2:45 AM

larryyo
New member
Registered: 3/4/2011
Posts: 2

93 S10 Blazer Bogs down now after radiator change.

I have a 93 chevy Blazer s10 4.3 engine. My radiator went out so I put in new radiator. Now my blazer bogs down when I accelerate. It shuts off once it heats up. What could cause this?

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#2 3/4/2011 2:45 PM

TechHelp2
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Registered: 11/24/2009
Posts: 1299

Re: 93 S10 Blazer Bogs down now after radiator change.

Is the engine overheating?

Does the hesitation happen all the time or only when it warms up? Your description is confusing. Did you say that the hesitation stop when it gets warm?

When replacing the radiator, were any wires like body or computer grounds disconnected?

Retrace your steps and make sure that all connections were replaced properly.

It could be a new problem that just occurred.

If you can scan the computer for any trouble codes stored in its memory, it would be helpful. Repair any codes that may come up.

If the coolant temperature sensor is bad it could give you this type of problem when it is cold. This would show up on a computer scan.

If you don't have a scanner you can take your vehicle to any Auto Zone auto parts store and they should scan the vehicles computer for no charge. Check to see if they still do this.

Checking the fuel pressure is next. It could be a clogged fuel filter.

There is a service bulletin on hesitation, it states that the fuel pump pulsator in the fuel tank ruptures and there is a loss of fuel pressure.

Look into these suggestions and let us know how you make out.

If you can give us a more detailed description of the problem it would be helpful.


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#3 3/4/2011 7:50 PM

larryyo
New member
Registered: 3/4/2011
Posts: 2

Re: 93 S10 Blazer Bogs down now after radiator change.

It hesitates all the time. Engine shuts down when warm. I will check these other things out though.

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