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  #1  
Old 09-29-2010, 07:44 AM
dksob81 dksob81 is offline
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02 Monte Carlo SS no power, heartless

I am working on a 2002 Chevy monte carlo SS 3.8L.

the car has absolutely no power, it is heartless....

The check engine light is on, pulled codes P0300, P0480, P0131.
I replaced the Plugs and Wires - that did nothing.
So i figured the catalytic converter was clogged - so i gutted the cat and still has absolutely no power.

what else could be the problem?
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Old 09-29-2010, 08:37 AM
maxwedge maxwedge is offline
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Re: 02 Monte Carlo SS no power, heartless

Do you have a noticeable misfire, not enough info to know what " heartless" boils down to. 0300 is random misfire, 480 is a cooling fan circuit and 131 is low 02 voltage.
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Old 09-29-2010, 01:10 PM
dksob81 dksob81 is offline
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Re: 02 Monte Carlo SS no power, heartless

Idling, I don't notice the misfire but when u give it gas u do.

The cooling fan circuit has been fixed, disregard that code.
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R.I.P. - 94 Jeep Grand Cherokee Limited 5.2L V8 Quadra-Trac, 3" Budget Boost, K&N FIPK Gen II (Cold Air Intake), FlowMaster American Thunder (Exhaust).

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Old 09-29-2010, 01:16 PM
dksob81 dksob81 is offline
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Re: 02 Monte Carlo SS no power, heartless

Idling, I don't notice the misfire but when u give it gas u do.

The cooling fan circuit has been fixed, disregard that code.
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R.I.P. - 94 Jeep Grand Cherokee Limited 5.2L V8 Quadra-Trac, 3" Budget Boost, K&N FIPK Gen II (Cold Air Intake), FlowMaster American Thunder (Exhaust).

W.T.T.F. - 1998 Jeep Grand Cherokee 5.9 Limited - Deep Slate Pearl - K&N FIPK GEN II (COLD AIR INTAKE), Altezza Tails and Crystal Clear Front end light with HID Kit and NP242 Swap.

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Old 09-29-2010, 07:40 PM
maxwedge maxwedge is offline
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Re: 02 Monte Carlo SS no power, heartless

Ok under load you have a misfire, bad injector, low fuel pressure, bad coil, all can cause this.
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