Question about 1999 Chevrolet Blazer

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Loss of power like a 4 barrel not engauging when mashing the pedal to the floor. why?

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Check the operation of the power valve in the carbys . If you have vacuum operated secondaries check that the diaphragm/ gaskets are not preventing the secondaries from opening.

Posted on Oct 14, 2013


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Posted on Jan 02, 2017

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SOURCE: when AC is on huge loss of power

About 3 to 4 HP is lost which is normal, not HUGE !! If it is HUGE you may have a falthy Compressor.

Posted on Aug 11, 2009

  • 7353 Answers

SOURCE: when i mash the brakes the pedal goes all the way

is the brake fluid level OK? Fluid out? if so, there is a leak. if the fluid level is good, then you may have a bad master cylinder.

Posted on Jan 03, 2011

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1 Answer

Car will not engauge into 1st or 2nd gear

the gear grinding noise is because the clutch plate is not fully disengaging and the input shaft is still driving. If you did not use the same length of push rod then the slave cylinder is not moving enough to disengage the clutch. Check it out that with the pedal on the floor the piston in the slave cylinder should be almost to the edge of the slave cylinder . That is where It should be to be working properly

Jan 13, 2014 | 2004 Pontiac Grand Am

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We changed the pads, rotors, drums and shoes on our 2001 montana, after we were done the break pedal goes to the floor, we were told to change the master cylinder and did,, but it didnt fix the problem,...

After you change brakes you need to bleed air from the brake lines what you need to do is find the bleeder valve its usually rite beside where the brake line goes in the calipers and looks like a grease fitting get someone to pump the brake pedal 3 or 4 times and hold it while someone else loosens the bleeder valve to drain the air out keep the pedal mashed until you get the bleeder valve tightend back up . Do each wheel until fluid comes out check brake fluid while doing this so it doesnt run out. Hope this helps

Jun 03, 2011 | 2001 Pontiac Montana

1 Answer


Try turn the ignition put foot on the brake....Then mash gas pedal to the floor all the way down until it touches the floor and then back up 3 or 4 times..completely while foot is on brake .This works for GM and chrysler...It might help you I am not sure but it is worth a try.....>Some vehicles have a reset and a settings button on the dash board....If you have these buttons the pedal trick wont work.......Hope this helps.............................Metalpoet

Mar 07, 2011 | 2006 BMW 550I

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Brake pedal goes to the floor only when engine is running. Pedal is perfect with engine off.

your power brake booster is blown out
the seal has a leak in it
run the truck for 3 minutes and shut it off. with the windows up listen carefully while you gently apply the brakes
listen for a hissing sound of air leaking.
the sound of these leaking is a very soft sound

Mar 27, 2010 | 1998 Chevrolet K1500

1 Answer

How to do electronic throttle adaptation

You want the car to re-learn throttle after taking out battery?

FIRST ! check to make sure acc. pedal has full travel- like the floor mat or garbage doesn't obstruct it's travel.

Turn key to on, but don't start it.

Mash the pedal to the floor and hold it there for 10 seconds.

Release pedal and turn off key.

-you have just reset the "fuzzy logic"-

Mar 17, 2010 | 2000 Volkswagen Beetle

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bad power booster

Jul 13, 2009 | 2002 Nissan Sentra

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No pedal after flushing and bleeding 2003 Altima brakes

Try this a few times.Have someone in the car with it running and you go back to the bleeders and open the furthest one away and have them mash the pedal to the floor,Tighten the screw back up before they let up.Do that to both rear and what ever else lines you have off.By doing this with it running and the bleeder screw open forces any air out of the abs if any.After doing this a few times you should be seeing air and the pedal should come up.Just remember,start car,open bleeder screw and have someone mash it to the floor and hold it,quickly tighten bleeder screw and repeat a few times to what ever lines or calipers you had off.Make sure you keep full of brake fluid.We all tend to forget the simplest stuff when things don't work out right.I hope this works for you and will be here again if you need some more help along with the rest of us.Have a great day and thank you for your time..

Mar 31, 2009 | 2003 Nissan Altima

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