Question about Chevrolet Suburban 1500

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Wont go uphill

My suburban ,when going up hill,slows way down and I hear a weird noise in the front right of the engine. On flat roads its fine. In addition, wherever I drive, if I push on the pedal full boar, it doesn't jam, it acts like no gas is getting in it, so I take my foot off to lower amount and then it goes?

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  • 52 Answers

1. Low fuel pressure. Check pressure and replace pump/filter as needed.
2. You are "pinging". Use premium gas, check ignition timing and have mechanic remove carbon build-up from cylinders.

Posted on Oct 22, 2013

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 9 Answers

SOURCE: Buick LeSabre 2000 has hesitation uphills

It could be the fuel filter. Check fuel pressure and volume.

Posted on Aug 07, 2008

  • 261 Answers

SOURCE: motor bogs down at stoplight when pushin gas pedal

sounds like a typical throttle position sensor problem, ye before you get there check the air filter and make sure that youf fuel is not contaminated it is either your TPS or the air flow meter is going bad both are expensive sorry

Posted on Nov 14, 2008

repairpal
  • 128 Answers

SOURCE: motor bogs down at stoplight when pushin gas pedal

The fuel pump relay will cause a stalling or no start condition. You are likely having mass airflow sensor, fuel pump, or fuel pressure regulator issues.

Bret
RepairPal.com

Posted on Nov 30, 2008

  • 57 Answers

SOURCE: winding noise

Is this noise coming from the rear of the vehicle, if so it "sounds" like a rear pinion bearing concern, this would make a winding noise when under a load(accelerating) and disappear at other times. Keep me posted

Posted on Jan 08, 2009

mcgyver468
  • 710 Answers

SOURCE: my van makes clicking noise when going uphill & and sometimes the speeds slows right down and makes noise (clicking under vehicle).

Could be front CV axles making that noise. Check out the rubber cv boots going from the transmission to the center of the front wheels, If the boots are ripped or cracked, replace the cv axles on both sides.

Posted on Apr 23, 2009

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Why do my car slow down going up hills.and go normal on straight roads


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