Question about Cars & Trucks

1 Answer

I have a 1989 chev s10 4.3 that will not crank unless i put gas in the carb. once I do that you can drive as long as you want to until you cut it off then you must do the same thing..what in the world

When i turn my key the pump is not priming. I can pour gas in my carb and it will crank right up. It will stay running until i turn the key off, then must pour gas in the carb again to get it to crank. I have changed the relay and fuel pump. I can not figure out what is going on. someone please help

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Cars & Trucks Master
  • 5,341 Answers

There is a problem with the fuel pump relay's wiring: What turns it on to prime the line to the injector is the computer signal to the coil side of the relay. This should happen when key is turned to on, about a 2 second signal from the computer. Then, when the engine is cranking, the computer should also signal the relay, keeping the pump on till running. After engine is running, the pump is kept on by the oil pressure switch.
Depending on how the wiring is set up for the relay, the computer will either send a signal to the coil side of relay, and coil side then goes to ground, OR computer may ground the coil side of relay, causing it to energize, and send power to the pump. Check for the computer signal to the relay. The power feed is there for the pump or else it would not be running. Something is wrong with the coil side wiring for the relay.

Posted on Nov 22, 2013

Ad

5 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad
  • 1 Answer

SOURCE: 97 GMC Sonoma

checked fuses , #9 fuse for fuel pump was loose.

Posted on Jun 22, 2008

MrRodneyLong
  • 55 Answers

SOURCE: 1989 honda accord fuel pump or relay not working

I know that you want a simple answer but, have you done any troble shooting steps at the pump its self? when the relay is in does it pump at all? what is your lin pressure?

Posted on Jul 03, 2008

Molson02536
  • 3854 Answers

SOURCE: will start when you put gas in carb but will not run (has new pump and filter)

Check all the wire connection on the throttle body, the throttle position sensor may not be sending the proper signals to the ECM which controls the fuel injector. Here is a link to retrieving the DTC codes which i hope can help you get your serra running again.
Good luck and hope this helps. http://www.articlealley.com/article_48352_31.html

http://www.gmtuners.com/OBD1_DTC.htm

Posted on May 25, 2009

alicantecoli
  • 22219 Answers

SOURCE: my 1941 chev master deluxe 4 door sedan wont stay

strip and clean carb sounds like the float is stuck or the needle valve is corroded and stuck,or the gauze filter in the carb inlet pipe has a spiders nest in it

Posted on Nov 11, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I1960 chev 283 motor won'tstart when cold unless pump gas several times and crank motor serveral times


you will have to check the choke setting to make sure its set properly, also check the accelerator pump as the diaphragm maybe weak and need replacing. it may need a carb rebuild. check the fuel pump for pumping the proper fuel pressure.

Sep 23, 2014 | Cars & Trucks

1 Answer

When i got my used 1989 Buick Lesabar I was told the cadillic converter was clogged which was causing the car to knock and staul out you could only drive it for a short distance when it would cut off and...


Bro,
This is a model which should get a good attention on all of its parts. You should have a detailed idea on your car's parts, its condition, workability,etc.
So firstly try to figure out any kind of leakages from crank parts, gear/clutch assembly. This is easy to find when the car is parked for long time.
Then look out for any broken pipes, tubes, seals, cracks.
Any oil leakage into combustion chamber, plugs, etc.
Check plugs by touching the car body while cranking!!
Then check the distributor cables and the distributor.
I think this all about your Power lines, fuel pumps.
So please try and rate it!!!

Mar 12, 2014 | 1989 Buick LeSabre

1 Answer

Car runs fine in park and cuts off in drive


Don't know cars - but it might not be idling fast enough to make the gear change. Idle reset needed maybe?

Feb 14, 2013 | Cars & Trucks

1 Answer

1989 fleetwood bounder isnt getting fuel to the carb


pull the fuel line off at the carb crank the engine see if fuel comes out could use a little more info does it have an electric fuel pump most of them do its a long way from the tank to the carb if it has electric fuel pump it is near the fuel tank there should be a big fuel filter in line also fuel will not work until oil pressure comes up a bit check for cracked fuel lines like i said need a little mor info

Nov 16, 2012 | Cars & Trucks

1 Answer

When I first crank it up after sitting a while it runs good the after i drive it a good distance the battery blinks on and off, and when I stop the car begins to stall and buck then it cutsoff unless i...


It sounds like your torque converter clutch is sticking. This is a common problem with these transmissions. With a car this old, we usually just unplug the converter clutch solenoid (plug on front of tranny). The tranny will no longer lock up at speed and will get a little less gas mileage, but the cost to fix the tranny is pretty high in comparison. If you don't think this is the cause or you have other questions, please let me know.

Oct 11, 2010 | 1989 Oldsmobile Cutlass Ciera

1 Answer

Wont stay cranked


chek your injection nozzles they maybe clogged , also the fuel filter

May 31, 2009 | 1989 GMC S-15 Jimmy

1 Answer

Car will not start or stay running


Put a fuel pump in. Remove right front tire to get to it. Be sure it has fuel in the tank and not a faulty gage .

May 12, 2009 | 1989 Isuzu Pickup 2WD

1 Answer

Engine will crank but will not turn over


Do this, take the top off the carb, being careful not to damage the gasket. Then take some carb cleaner and clean out the bowl and floats. Remove the needle valve and clean it out. Put it all back together and filling the bowl with carb cleaner. Start it with the starting fluid. Once you run the carb cleaner through it, it should start to run on it's own. Whatever you do don't shut it off for about 20-30 min unless you have to.

Apr 27, 2009 | 1989 Jeep Wrangler

2 Answers

My 98 chev 1500 vortec 5.0l cranks but wont start have spark


bad gas?...can you make it run spraying carb cleaner into intake snorkle?

Dec 08, 2008 | 1998 Chevrolet K1500

1 Answer

97 GMC Sonoma


checked fuses , #9 fuse for fuel pump was loose.

Jun 21, 2008 | 1997 GMC Sonoma

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

76 people viewed this question

Ask a Question

Usually answered in minutes!

Top Cars & Trucks Experts

yadayada
yadayada

Level 3 Expert

76649 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22219 Answers

Randy Ohler

Level 3 Expert

14585 Answers

Are you a Car and Truck Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...