Question about 2000 Chevrolet Tahoe

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My truck (2000 tahoe 2wd) feels like it is losing power

My truck (2000) tahoe 2wd) feels like it is losing power at 40 mph and when on the interstate. Plus when idoling itacts like it wants to cut off.

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Hello chowhound196: My name is Roger and I will help you. First I would change the fuel filter. If you still encounter problems I would check the fuel pump pressure. You did not state what engine is in your truck . So for a 4.8 0r 5.3 v-8 engine the pressure should be 55-62 psi. key on engine off. on a 5.7 engine the pressure should be 60-66 psi. Any pressure less will cause the engine to loose power to a will not start problem.There is always the possibility that the exhaust converter may cause a problem or the computer could cause a problem. A quick check for codes or a check engine lamp on would be cause to check the ecm for codes. Should you need further help please just ask.Please rate the answer. This way I know it was helpful Thank You for using Fix Ya. Roger

Posted on May 15, 2010

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YOU COULD HAVE BAD SPARK PLUGS.STOP UP FUEL FILTER AND FUEL INJECTORS. WEAK COILS DUE LOW VOLTAGE OUT PUT. RESTRICED AIR FILTER OR EXHAUST SYSTEM.

Posted on May 15, 2010

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Posted on Jan 02, 2017

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