Question about 2000 Chevrolet S-10

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2000 s-10 trouble starting if i dont turn key to on,wait, start

When i get in my s-10, I have to turn the key to the on position, wait for the fuel pump to pump and then turn the key to start for it to start smoothly. If i just try to start it normally the truck shakes violently and doesn't want to start right up. Most of the time it will eventually start but after a lot of fuss. Also, and I am not sure if this has anything to do with it, the Fuel Gauge does not work. It goes back and forth between full and empty while I drive down the road.

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  • Chevrolet Master
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It sounds like your loosing your fuel pressure prim. There is a check valve at the fuel pump and when it goes bad, the fuel pump unit needs to be replaced and that will also address your gas gauge issues. If yo go to Auto Zone you can buy a replacement fuel pump and they will have the step by step instructions for you to replace the fuel pump. I'll give you a hint, remove the Bed from the rails since there is only about 8 bolts holding it down. This is easier then dropping the gas tank to get to the fuel pump in the tank. Also lone out a fuel pressure gauge and check the fuel pressure at the Shredder valve and do a pressure drop, once you have the proper fuel pressure 60 to 65psi, see how long it will take for the fuel system to drop. If it drops quick, time to replace the fuel pump and replace the fuel filter too since your doing all this work. Good luck friend. Keep me posted if you have any other questions. 

Posted on Jul 16, 2009

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2 Answers

No battery problem either


My guess is that after it ran out of gas, the key was in the forward position for a while and you unknowingly interrupted the antitheft system. Try to reset it.

RELEARN PROCEDURE:
Turn the key on, with the engine OFF.
Try to start the engine, then release the key to ON, Engine will not start.
Watch the security telltale, after about 10 mins, it will turn OFF.
Turn OFF the ignition, and wait 5 seconds.
Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes. You must turn the ignition OFF for 30 seconds before attempting to start the vehicle after the 3 cycles. Then start the engine .


Do It Yourself GM Security bypass
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Oct 10, 2016 | 2000 Chevrolet Cavalier

1 Answer

Occasionally, about every 6 to 8 times tried, the engine will turn but not start. If I turn the key off for about 3 seconds, it usually starts within a few turns. Do you know what can cause this?


A year, make, model, and engine size would help but I will through this at you.

Instead of just trying to start the car turn the key to the run position and wait 3 seconds. Turn the key off and immediately turn the key back to the run position and wait another 3 seconds. Turn the key off then try to start. Do this every time you try to start the car. If you symptom never occurs when you start the vehicle like this than I would suggest taking a closer look at the fuel system.

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1 Answer

Why is it hard to start my 1996 nissan maxima when engine is cold


It could be a number of things accually,but the first thing id check would be if the fuel or fuel pump is getting weak,In the morning when you go to start the car when you turn your key to where the gauge lites ans all that comes on leave it in that position and don't try starting it,then turn key back to off position then turn back to the position that I told you the 1st time wait about 5seconds then try starting it,if it starts up easier than your fuel is going back into tank overnite or your fuel pump is getting weak! good luck!!

Nov 23, 2014 | Cars & Trucks

1 Answer

My 2004 cavalier will not turn over without excessive pumping of the gas pedal. Battery, starter and everything else seems to be fine. Is it the pump or something else?


Try this next time you start it. Turn the key to the run position, do not start the engine. Wait 3-5 seconds and turn the key off. Turn the key right back to the on position and wait for 3-5 seconds. Turn the key off. Repeat the above one more time. Now try to start. If it starts right up you have a fuel supply problem. Either the fuel pump is bleeding off or the fuel pressure regulator is leaking. Pumping the pedal is doing nothing besides buying time for the fuel system to pressurize. Post an engine size and I'll help you locate the fuel pressure regulator. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

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1 Answer

The car dont want to start


sounds like your security was tripped somehow..

1. turn the key to start the engine then immediatley release it to the on position. Keep it on the on position for 15 min. Watch the security light. The light should go out in 10-15 min. Turn the key off and wait 10 seconds.

repeat that same process 2 more times. After that your car should start. i had this same problem. Mine is a 03 but im assuming yours has the pass lock security on it also..

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try to start the car, than the anti theift would shut the car off. you wait ten min with the key on, until you see the anti theift flash or disapear. than turn key to off position and try to start it. this will reprogram the computer.. Good luck.

you can also try disconnecting the battery for 30 minutes

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1 Answer

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Try this I got it from the emission wiz
Put your key in turn it on dont start wait 10 mins remove key wait 10 seconds repeat this a total of 3 times. If that dont work try a different key do the same thing. This relearns your key to the ignition it started with Gm cars and trucks from 1999 to to 2006. It is a big problem but there is no recall that I know of. If that dont work a dealer needs to probably replace and reprogram your ignition switch and keys

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1 Answer

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The theft passlock might be shutting your fuel off try this Put your key in turn it on dont start wait 10mins take key out wait 10seconds repeat 3 times total 30mins. If that dont work try another key

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1 Answer

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Put your key in turn it on dont start wait 10mins take key out wait 10seconds repeat 3 times total 30mins. If that dont work try another key

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