Question about 2000 Oldsmobile Bravada

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I changed my fuel pump yesterday and it started right up and ran fine now the next day it ran then went to start it and it wont start now just like before i changed the old pumnp out

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When you changed your fuel pump, did you also change the filter?
Also, I had 4 pumps go out in 1 year on a truck I had. It was a crappy pump. Remember you get what you pat for.. Got the name brand and didn't have any more problems.. Also, look for a loose or pinched wire, had that happen too.
Good Luck!

Posted on Dec 04, 2012

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Posted on Jan 02, 2017

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SOURCE: 2001 Olds Alero Wouldn't Start

I had a problem similar recently, just wouldn't stay on. Found out that there is a flaw with the sensors on those cars for the ignition "talking" to the computer's Passlock II thing. The car thinks it's getting stolen so it engages the anti-theft which turns off the fuel injection. You just have to reset the Passlock. Turn the key to the first On position where you have radio but no windows, leave it for 10 minutes until the little Security light turns off. Turn off the key then start it.
Don't know if it was your problem, but just so you know, the sensor part will eventually start failing with this car.

Posted on Jul 18, 2008

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SOURCE: 2003 OLDS ALERO WONT START

Check to make sure the Security light in dash on right hand corner is not on. If it is on , your passlock is enabled. to dissable it turn your key on but not start it and wait for apx 10-15 minutes. this should re-set it.

Posted on Apr 15, 2009

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SOURCE: 2003 OLDS ALERO WONT START

find the buzzing noise...likely its the fuel pump relay.

Posted on May 28, 2009

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SOURCE: 2001 alero ran out of gas now it wont start after

You have are in the line you have to prime the line to get pressure thru

Posted on Jul 24, 2009

autotherapis
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SOURCE: replaced fuel pump & still car wont start on 97 olds 88

You have to check for spark and fuel pressure. The 3800 motor can have a bad module (sits right below the coil pack, as well as bad coils. Also check for fuel pressure. I put a brand new dealer pump in a 93 Olds once and it was not putting out enough pressure to engage the injectors. Section 4 in a Hayes manual found at most Advance and Auto zone stores will give you the fuel pressure reading you need.

Hope this helps.

Posted on Mar 07, 2010

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