Question about 1989 Chevrolet Corvette

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1989corvette will notstart,fuelpump not comming on,put new fuelpump and fuelpump relay;but it still wont start

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  • carlperk_car Aug 25, 2010

    could ecm cause this

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Check out your vats system. anti theft system. go on you tube check out videos on how to check or bypass the vehicle anti theft system or vats. could be your key is not being read by the vats system.good luck.

Posted on Jul 15, 2011

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Posted on Jan 02, 2017

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99 ford explorer


Do you know how to do basic automotive electrical testing ? When it won't start test to see what is missing , Spark , pull a plug wire an hold near ground while someone cranks the engine over . Is there spark ? Check fuel pump electrical circuit , fuel pump relay . Videos on youtube - crank - no - start .

Feb 19, 2017 | Ford Cars & Trucks

1 Answer

Wont start for 10 min


Have your charging system tested and include the Battery. Go to Autozone.com ,register your vehicle for free, get free wiring diagrams and Fusebox layouts. Have a starter draw test done.

Check the relays for the fuelpump, ignition, and PCM. Sometimes the horn relay can be the same part number and be interchanged.

What you are describing can be many things. You have more compression in a hot engine, you have different timing in a hot engine because vehicles run so lean today. The O2 sensors may be keeping the engine too lean to restart after a warmup. Relays can overload when hot and kick out the connections. Your fuelpump can be failing.

You did not indicate how far you drive when this happens. If you are driving 10 miles a weak battery will not recharge, but a 100 mile trip gives it more opportunity. The starter draw test will tell if the starter is bad. The starter may cool down overnight, but frequent restarts may heat the starter with it failing.

Jul 24, 2012 | 2007 Chevrolet Colorado (Extended Cab) New...

1 Answer

2005 ranger 3.0 truck starts pump runs presser good pump stops no presser after a few minnits


If you are talking about the fuel pump, you have only a few cheap fixes before blaming the expensive fuel pump. The fuel pump relay can overheat and kick out. A new relay could fix this. Autozone.com offers free fusebox layouts and wiring diagrams just for registering your truck with them for free.

Sometimes the horn relay will interchange with other relays. Look at the part numbers and use the horn to test the fuel pump relay. Or switch the 2 relays.

A fuel filter could be clogged and overloading the fuel pump. Put in a new filter.

After that, its a case of testing the fuelpump leads and see if the fuelpump is shut down.

I hope my solution helps.

Jul 16, 2012 | 2005 Ford Ranger

1 Answer

My truck started to sputter down the highway I pulled over it died it wont start. I changed the fuel filter that didnt work it might be the fuel pump or could it be a fuse?


You can get a wiring diagram and a fusebox layout for free at Autozone.com. Just register your truck for free on their site. Check the relay and fuses first before doing anything else.

If you have or can borrow a scanner, it would diagnose something like this.

I know someone who replaced a fuelpump and the old one was fine. There is a ground wire for the fuel pump that is part of the wiring harness. It needs to be connected into the harness so it can toggle on/off as part of the ignition switch and fuel pump relay. Do not bypass by making a different ground to the frame.

For some reason, between the connector under the hood and the plug into the fuelpump, this wire can break. You do not have to tear up the harness. Just run a new wire parallel to the harness and put new ends on the substitute wire and plug into the old connector.

I hope my solution is helpful.

May 24, 2012 | 2003 Chevrolet Silverado 1500

1 Answer

New fuelpump wont work


It could be you asd relay automatic shutdown relay. If you could check voltage to your fuel pump when you turn on the key. you should get 12 volts. if it is there then it is on the fuel pump side, if it is not there you will need to check asd or computer or wiring.
hope this helps

Jan 12, 2012 | 1990 Dodge Ram

1 Answer

I have a 2004 freestar that wont start.changed fuel pump still wont start.pump wont run!


Hello, If you have not checked your Inertia switch it shuts off the fuelpump and may need to be Reset. It should be in the RH side of the jack compartment. You just push and hold a button on the switch and then the fuelpump should work.

The Inertia switch is a safety device and can trigger when a door or hatch is closed hard enough to simulate a crash. You also can have a Relay in the Powerbox which may be labeled. Try the Inertia switch first and if it does not help, then change the Fuelpump Relay.

Feb 26, 2011 | 2004 Ford Freestar

1 Answer

Why wont my car start after replacing the fuel pump


Do you hear the fuelpump running? Check the Inertia switch under the right front passengers kickpanel. There is a button to press and it will reset.

This is a safety switch for impacts and when the fuelpump was disconnected, it can sometimes trip.

Also, when you diagnosed a bad fuelpump, there are Relays and fuses which supply the power. Your original problem could have been a bad relay.

Oct 15, 2010 | 2000 Ford Focus

2 Answers

I have replaced the fuel pump amongst a lot of other things. I can spray gas or starting fluid in the throtal body and it will run rough untill the fumes ware out. Its a 1995 ford explorer 4x4 xlt


If you hear the fuelpump operate the first 1 or 2 seconds when the key is turned to RUN position, the fuelpump is working. If you do not hear the fuelpump run, check the Inertia switch which should be in the side panel of the rear cargo area. If you have an owners manual check for the Inertia switch location.

To reset the Inertia switch, hold the button on it for 2-3 seconds. You should now hear the pump run. You may also have a fuelpump relay under the hood in one of the Powerboxes. The Powerbox may have a fusible link from the Battery. When the fusible link is OK and the Pump Relay is OK, there is a fuse in the Fuse panel. Then finally the Ignition switch will trip the Pump relay. As power flows through the wire to the fuelpump the Inertia switch can break the power connection.

So you have 5 powerpoints before the fuelpump will work. Fusible link, Pump Relay, Fuse Panel, Ignition Switch,and Inertia switch. These must all work before the fuelpump can run.

Aug 14, 2010 | 1995 Ford Explorer

1 Answer

Fuelpump will not turn on when temperature is


have a mechanic scan for computer codes this will put you in a better direction than just changing parts although it wont tell you the exact problem

May 04, 2010 | 1995 Ford Mustang

1 Answer

1992 mits 2.4 L pickup [ new ecm,fuelpump,fuel pump]


I had the same problum with my 91and i changed the ecm relay. I got the part from parts america and though the shop it was about 80$

Jul 25, 2009 | Mitsubishi Mighty Max Cars & Trucks

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