Question about 1998 Chevrolet Tahoe

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First my 98 tahoe is difficult to start. second when it gets started the motor is shaking and sounds like its sucking air from some where. what could be wrong?

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Check all the vacum hoses first.

Posted on Oct 04, 2009

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My 1998 Chevy Tahoe shakes real bad about 50 60 miles per hour and stopped at my 75 what's the problem

Jason, it can be a number of things causing the vibration..check the obvious first like Glenn Blevins answer. If that doesn't help then go on to the less obvious things..Like...
Hard starting or getting real bad gas mileage? (I know, the mileage sucks to begin with..I own a 2000 OBS Tahoe Limited so I know the mileage sucks!)
*Fuel pressure regulator..
*Spider fuel injection..Check these to make sure pressure is holding good.
*Distributor..They wear and act crazy...I'm in the process of changing mine now...It made my Hoe shake badly!
I don't know what the mileage is on your Hoe but I would say it's about time to start checking all the things I have mentioned.
There are lots of really good forums to get info on these trucks..OBS (Old Body Style) trucks have a large cult following so you will not be at a loss for info.
The vibration started at about 40 mph and would chill out around 65 mph...I knew it wasn't tires/rims on mine so I hit the forums and found a new world of info and testing to do on mine.
If it turns out to be a worn distributor on yours, go to ebay and purchase an billet aluminum made one..about 5-10 dollars more than the stock plastic shell OEM one that came on the truck.

Feb 27, 2015 | 1998 Chevrolet Tahoe

1 Answer

When i'm at a stop my motor start to shake

Without more details, sounds like a ignition coil is going bad, or plug wire. One more possibility is a broken motor mount but I'd start with the coil. Is it kicking out any codes? Check engine light coming on? If no codes then check motor mounts

May 05, 2014 | 2000 Chevrolet Tahoe

1 Answer

Why won't my 98 tahoe start after it was sitting for a year? i bought a new battery so that is not it.

Did you put stablizer in the gas before storing it? Does the fuel pump run for 2 seconds when the ign is turned ? Have you checked the air cleaner for debris? Do you have spark? You must have air/fuel/spark to start.

Dec 15, 2011 | 1998 Chevrolet Tahoe

2 Answers

1998 chevy k1500 idle fast

Sounds like it could be a dirty or faulty idle air control valve.Take it off and clean it with a wire brush and a non-chlronated brake cleaner or replace it with a new one.Make sure you reset the computer after cleaning or replacing the valve.

Nov 18, 2011 | 1999 Chevrolet Silverado 1500

2 Answers

The drivers side AC vents of my 2005 chevy tahoe started blowing hot air today. The rest of my air conditioning is running fine (passenger side and rear vents). Is this a thermostat issue and is it...

More than likely the problem is with one of the blend doors or its actuator motor inside the HVAC unit in the dash. The repair involves a partial disassembly of the dash to access the parts. This definitely not a thermostat issue.

Mar 30, 2011 | 2005 Chevrolet Tahoe

1 Answer

When i start my explorer it don't idle right and stops

its difficult to tell from the little information you have given but I would check on the top of the motor and see if there are any loose or broken vacuum hoses..they are about 3/8" in diameter.. you may hear an air sucking sound or a whistling sound also..these vacuum lines affect the idle

Mar 25, 2011 | 2001 Ford Explorer Sport

2 Answers

Problems with 98 Tahoe misfiring on hills & passing gear usually cylinder 5

Sounds like a bad spark plug or spark plug wire and if thats not it try checking the fuel injector

Sep 05, 2009 | 1998 Chevrolet Tahoe

1 Answer

98 chevy tahoe Z71 starts but will turn off after a 2 seconds

have someone tap on gas tank while you cranking it,,if it comes and goes while they do it ,, you need fuel pump

Aug 10, 2009 | 2003 Chevrolet Tahoe

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