LUVTruck.com

phpBBV3 Message Board
It is currently Sat Jul 19, 2025 5:58 am

All times are UTC - 6 hours




Post new topic Reply to topic  [ 7 posts ] 
Author Message
PostPosted: Sat May 23, 2009 10:37 am 
Offline
Newbie

Joined: Sat May 23, 2009 9:44 am
Posts: 1
I'm looking for advice and am new to this. I live in a very isolated place in Mexico and my 1999 LUV (fuel inj.) won't start. It ran great one day and the next a.m. it would only start if I drained the Fuel injectors. It will then run perfectly for a few seconds and die, or longer if I rev. it. Previously, I had a problem with it over reving when warm but a mexican mechanic changed some sensors and valves and stuff on the injector housing and did some funking rewiring to the wire harness and it ran great for a week...and now this. If anyone can help you may find that you have a new friend in Mexico.


Top
 Profile  
Reply with quote  
PostPosted: Sat May 23, 2009 3:06 pm 
Offline
Addicted to LUV
User avatar

Joined: Fri May 17, 2002 2:12 am
Posts: 1251
Location: Loranger, Louisiana
A 1999 LUV? Didn't know they made them that long. Will probably need more information though. What engine, has the fuel pump been check for proper pressure, any idea WHAT was done to the wiring (if he added an extra line to a circuit for some reason, a fuse may have blown). Any information would help us, and you, out.

_________________
I've never been wrong! Once I thought I was, but I was mistaken.
Rick
Loranger, La
1980 Stepside LUV (Again)


Top
 Profile  
Reply with quote  
PostPosted: Sat May 23, 2009 4:33 pm 
Offline
Addicted to LUV
User avatar

Joined: Wed Apr 12, 2006 2:24 pm
Posts: 2143
Location: Hermiston,Oregon
Also check the fuel filter and if the mechanic has a fuel pressure tester check the fuel pressure to make sure you are getting the correct pressure.And you may want to check the fuel pump relay to.

_________________
1978 pro street step/side 455Buick, 4sp,4.11s, 31/18.5s


Top
 Profile  
Reply with quote  
PostPosted: Sat May 23, 2009 4:36 pm 
Offline
da LUV masta

Joined: Wed Feb 25, 2009 6:52 pm
Posts: 542
Location: so cal
they still do make the "luv" its jsut a s10 badged as a luv that they sell in south america

_________________
77-luv-stock (Selling or Parting out motor blew up)
Image
75-luv mikado-V8 350 soon


Top
 Profile  
Reply with quote  
PostPosted: Mon May 25, 2009 11:16 am 
Offline
LUVTruck.com Lifer
User avatar

Joined: Thu Nov 15, 2007 12:21 pm
Posts: 616
Location: Lost Causes, NM
yea its probably a 2.2 4 cyl

A.j.

_________________
http://www.youtube.com/watch?v=ykgDNjeTa0g


Top
 Profile  
Reply with quote  
PostPosted: Mon May 25, 2009 1:57 pm 
Offline
Addicted to LUV
User avatar

Joined: Thu Apr 07, 2005 11:48 am
Posts: 2581
Location: Republic of Texas, 77836
It is throttle body injection as that is all they use except on HIGH PERFORMANCE engines, where they use injectors on all cylinders.

I found this.
http://www.2carpros.com/makes/chevy/s10.htm

Question: 1999 Chevy 4x4 5 spd. Mileage: 115,000. My S-10 Blazer stumbled due to fuel starvation, and died along the highway in the middle of the Arizona desert last week. Fuel is no longer being delivered to the TBI (throttle body injection). Fuel pump is new but does not come on when the cars ignition is turned on. All wires going to the pump are in good order. Replaced the fuel pump relay but no help. Put a test light on the relays contacts and found one wire was hot with the ignition on. Cannot find a fused link in the engine compartment and all fuses in the passenger compartment looked OK although I found none marked fuel pump. What is wrong with my Blazer?

Answer: First, check all the fuses while under load. Next check for 12 volts to the fuel pump as you may have a faulty fuel pump even though recently replaced. Finally, scan the computer for false codes if the first two check okay.

Question: 2000 Chevrolet/S10 pickup mileage: 70,000. When my gas tank is less than half full, the truck will not start. If the engine turns over, the truck shakes and sputters and dies. I replaced the fuel filter but the truck will still not start if the gas is less than half a tank. If the truck is running, it will not stall. Once stopped though, the automobile will not crank again though. Do you think that it is the fuel pump or the sending unit?

Answer: It is probably the fuel pump. Test it by checking the fuel pressure. Also, check the fuel pick-up that is inside the gas tank.

Question: 1987 Chevy S10 blazer mileage: 178,000. I'm having a "surging" problem on my old S10 blazer with 2.8. I've already replaced the TPS, Oxygen sensor, rebuilt the throttle body, and installed a transmission oil cooler to help fix another problem it's having with staying in overdrive and constantly wants to downshift. The problem also seems to get worse as the fuel level goes down. The gas mileage is a little better, but I'm still getting this "surging" which is also aggravating the transmission problem. Anyhow, I'm now in the process of replacing the in-tank fuel pump. Before I completely re-installed the tank, I thought I would try to run the pump in a pan of gas to make sure everything was working. It worked okay. To make sure though that the "real world" output was okay, I then installed the pump in the tank with a few gallons of fuel in it. I then ran the pump again with the tank level lying on the ground, but the pump's output now "surged" again to the same frequency I've been experiencing when driving the truck k. It sounds like the pump cavitates and then "loads down" as the screen picks up fuel again for a few seconds and then cavitates again. When driving, it does this surging especially the lower the fuel gets. I've got a feeling now that this fuel pump replacement isn't going to fix this problem. I checked to ensure that the pumps pickup is reaching all the way to the bottom of the tank (it's okay). The only thing I can think of is that there was either a recall of the fuel-tanks/fuel pump systems which was never done on this truck or the fuel tank/fuel pump in my truck are incompatible or wrong or something.

Answer: When we replace fuel pumps on S10 Blazers, we remove the accumulator that is located directly above the fuel pump and replace it with a longer hose.

_________________
75 Luv, 350 V8, TH350, Camaro rearend. New 1975 Luv Step side. Stock for now.
Grandmaster of the "Shade Tree" way.. I can't see the yard for all the cars. Come on down and we will sit on the porch and watch the grass grow.


Top
 Profile  
Reply with quote  
PostPosted: Mon May 25, 2009 2:01 pm 
Offline
Addicted to LUV
User avatar

Joined: Thu Apr 07, 2005 11:48 am
Posts: 2581
Location: Republic of Texas, 77836
It is not the o2 sensor. The o2 sensor is not used until the engine is warm. One of the sensors in the intake is the air temperature sensor. I am not sure about a throttle position sensor at the injector body.

_________________
75 Luv, 350 V8, TH350, Camaro rearend. New 1975 Luv Step side. Stock for now.
Grandmaster of the "Shade Tree" way.. I can't see the yard for all the cars. Come on down and we will sit on the porch and watch the grass grow.


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 7 posts ] 

All times are UTC - 6 hours


Who is online

Users browsing this forum: No registered users and 32 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group