Hi this is the strangest situation I’ve had this truck for a few years it has the 3VZE 3.0, has 130,000 miles, occasionally after it sit for 15 to 30 minutes after driving when you would start it it would spit and sputter like it did not want to run unless you gave it some gas and it was smooth out and be fine, but recently was going to work one morning and it started running like it was rich like it was loading up, then on the way home I stopped at a store and it wouldn’t start , I had to have the vehicle towed home it would not start.... the next day it still would not start...then later it started the idle was up and down very loopy idle...I have a good spark I’ve checked the distributor , The igniter module ,the coil, fuel pressure is good ,replace the throttle position sensor the mass airflow sensor is good I’m at a total loss.... the strange part is it was sometimes it acts like it’s fuel starved and I would shoot starter fluid into it and once it started running it would run other times it would act like it was choking on fuel ...too much fuel.. was running really rich ..exhaust stank I pulled the vacuum lines off and there was fuel in the vacuum lines off the Plenum, I suspected the cold start injector so I unplugged it and it smoothed out and ran great so I replace the cold feel injector in the truck ran great for about three weeks and coming home one night it begin whole process again It was stumbling and when I got to a red light I had to shift it in neutral and keep my foot on the gas to keep it running barely made it home the idle isloopy again and now it won’t start in the driveway just cranks over, acts fuel starved,, put fuel pressure gauge on it got a good fuel pressure fuel pumps working it even holds pressure for over an hour even did the fuel pump by pass...I’m totally stumped guys any help suggestions questions anything would be a great help

 

 

Here’s what she looks like she’s a beauty of a truck if I could just figure this problem out

 

I would check the VSV for the EGR valve using instructions in the FSM as a starting point.

 

well drove the truck tonight ...it wouldn’t start for three days just cranked and cranked and cranked, finally stumbled a little bit and started idled in the driveway I drove it down the road about a block and a half and it shut off like somebody turn the key off and It would just crank and crank and crank again it’s definitely fuel starved I shot some starter fluid in the throttlebody and it wanted to kick over, I hear no palse from the fuel injectors I believe I’m getting no power to the fuel injectors Set for 45 minutes and it started and I drove it a block and a half home back to the driveway as soon as I got it in the driveway it stumbled real bad and died and it won’t start again , I loosen the banjo bolt on the fuel rail and fuel come spray and out so I have fuel pressure

 

I hear nothing from the fuel injectors no ticking or anything when I crank the motor over, I switch the electronica fuel injection relay with the starter relay because they’re both the same no change

 

FOUND THE PROBLEM....BAD GGOUND ....the ground out of injectors harness to the block was broken , therefore the injectors were not getting ground and was not firing, had to take plenum off to see it

 

My 93, 3.0 pickup seems to be doing the same thing! I especially feel it is because a few months ago my starter cable had rubbed a hole in the sleeve and was jumping across to the frame and burnt all the ground wires down. I finally figured it out and got it to quit and replaced all the grounds I knew were burnt. Now it’s doin very similar things as yours did. Was driving down the road and it just died and wouldn’t start back till 4to 5 hours later. Now it’ll start but just a terrible idle but as you said can rev it up and it smooths back out. I suspect it’s the same ground as yours. Would you help me and give me some instruction on how to get to this certain ground and what all else I’ll need when I do it?? I would sure appreciate it sir.