Question about AEM 2000 Chevy S10 Pickup - 2.2L 4 cyl. engine - Brute Force Air Intakes

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Erratic cluster & eng. operation on 2000 S10 4cyl.

Intermittent problem @ start up after fuel pump was replaced !

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I have a 2000 chevy s10 4.3l vortec, my fuel gauge is stuck on empty but i just put 20$ in and the fuel pump is working and i tried making a new ground for the tank to the frame but still nothing. any...


That's one of two things the fuel pump will work but the gauge that tells you what's in the take could be bad so replace the fuel pump to find out the other one is the cluster where the gauge is could be bad you will have to replace the whole cluster so I would start with a new pump

Aug 07, 2013 | 2000 Chevrolet S-10

1 Answer

Instrument cluster needles erratic


i have a merc c180 somthing similer happens to mine mine stick so it looks like i have no fuel or i am not moving if there not sticking i think there is a relay for the instrument cluster some where could be wrong though

Aug 24, 2012 | 1996 BMW 328i

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2000 jeep wrangler won't start, good crank, no bus


Check fuses first, but could be needs new CPU

Jun 14, 2012 | 2000 Jeep Wrangler

1 Answer

Electronic gas gauge Gives wrong reading, after replacing fuel pump and floater.


instrument cluster is just for monitoring. but on modern cars there can be integrated circuits to calculate the actual amount of fuel inside tank. so sender sends signals and dashboard decodes it and show the amount on gauge.

which car do you have? if it is a later model with such system you may need to reset related software to match with new sender unit on pump or floater. (dealer can do this for you)

for example if you have a new daylight driving lights(LKM) controller on new BMW's if you replace it with a new one you need to code it to match with your car. if not it wont operate correctly.,

But there is an exeption. when sockets are broken or connections are wrong, fuel and temp gauges act erratic. they jump, pulsate or dont work at all. before replacing anything more be sure that sender unit or whole asembly is the correct part for your car. second be sure that connection has been done correctly.

Nov 21, 2011 | Cars & Trucks

2 Answers

My fuel gauge keeps going up and down! what does that mean????


The fuel sender in the tank needs to be replaced.

Apr 07, 2010 | 2000 Chevrolet 2500

1 Answer

Erratic speedometer on 2005 ranier, 2wd, 5.3 eng


Common on the 03-06 Rainiers for the instrument cluster start going out, usually starting with the speedometer. It's caused by failing stepper motors on the cluster's circuit board. Check out this page for more about it and how to get it fixed - Rainier instrument cluster repair

Feb 17, 2010 | 2004 Buick Rainier

3 Answers

Fuel gauge bouncing on 2000 chevy tahoe where is fuel pump relay


I had previously replaced the failing fuel pump on my '98 K2500 when it went out entirely. I was ready to replace my 2000 K3500's fuel gauge as it was acting up.
When I started the engine, the gauge would bounce from the middle to way past full then back. It would also jump sporadically while driving on level ground.
I checked the electrical connections at the tank and made sure the frame ground strap located nearby was making good contact. Nothing changed until I removed the instrument panel and cleaned the connections on the back. The fuel gauge seems to be operating correctly now.
There are videos on YouTube that show how to remove the instrument cluster if in doubt. Mine dash has a pop-in plastic bezel followed by 4 screws to hold the cluster in place. It took about a half hour to inspect & clean the dash connection vs. $250 to replace the pump/sending unit combo. Hope this helps.

Apr 21, 2009 | 2001 Chevrolet Tahoe

2 Answers

Fuel gauge not working all the time.


This is a normal concern.
The instrument cluster uses 4 different operating modes to calculate the fuel level:
Anti-slosh (default mode)
Key OFF fueling
Key ON fueling
Recovery
After a fuel fill up, the time for the fuel gauge to move from empty (E) to full (F) ranges from 2 seconds to 55 minutes depending on which operating mode the fuel gauge is in.
The default fuel gauge mode is called the anti-slosh mode. To prevent fuel gauge changes from fuel slosh (gauge instability due to changes in fuel sender readings caused by fuel moving around in the tank), the fuel gauge takes approximately 55 minutes to go from empty (E) to full (F).
The key OFF fueling mode (2 seconds to read empty [E] to full [F]) requires 3 conditions be met:
The key must be in the OFF position throughout the entire refueling of the vehicle.
At least 15% of the vehicle's fuel capacity must be added to the fuel tank.
The instrument cluster must receive a valid key ON fuel sender reading within 1 second of the key being put into the RUN position. The key ON sample readings are considered valid if the fuel sender reading is between 15 ohms ± 2 ohms and 160 ohms ± 4 ohms.
If these conditions are not met, the fuel gauge stays in the anti-slosh mode, which results in a slow to read full (F) event.
The key ON fueling mode (approximately 90 seconds to read empty [E] to full [F]) requires 3 conditions be met:
The transmission is in PARK (P).
The key is in the RUN position.
At least 15% of the vehicle's fuel capacity must be added to the fuel tank.
In key ON fueling mode, a 30-second timer activates after the transmission is put into the PARK (P) position (automatic transmissions). When the 30-second time has elapsed and at least 15% of the vehicle's fuel capacity has been added, the fuel gauge response time is 90 seconds to read from empty (E) to full (F). When the transmission is shifted out of PARK (P), the fuel gauge strategy reverts to the anti-slosh mode. The key on refueling mode prevents slow to read full events from happening if the customer refuels the vehicle with the key in the RUN position.
Recovery mode is incorporated into the instrument cluster strategy to recover from a missing fuel level input during a refueling event. Missing fuel level inputs result from intermittent opens in the fuel sender or its circuits. Recovery mode (empty [E] to full [F] approximately 20 minutes) is initiated when the following 2 conditions are met:
The instrument cluster is in the anti-slosh (default) mode.
The actual fuel level in the tank is greater than what is being displayed by the fuel gauge

Feb 18, 2009 | 1983 Mercury Grand Marquis

2 Answers

1993 Acura - intermittent fuel pump operation (no start)


HI...
The common cause of the problem that you related.
Is the FUEL PUMP RELAY " Called MAIN RELAY.
Is located : left side under the dash.
Is a BIG relay gray colour. with a connector of 7 or 8 wires.
I recomend replace the relay.

And letme know if you solve your problem.

I hope this information work on your problem.
Thank you for use fixya.

Jul 25, 2008 | 1993 Acura Integra Hatchback

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