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SE Level Member
01-02-2021
Well, some backstory:
A few weeks ago the car kept stalling on the way to work. I did manage to get it there no problem but then it wouldn't stop. Had it towed home and had no fuel pressure when cranking. The previous owner was saying it would have this random problem of the call stalling when driving and stalling when trying to restart... the shop it was taken to replaced the fuel pump and fuel pump relay (the primary relay.) Knowing this, I did electrical testing and discovered that there was no power to the fuel pump... traced it back to the new relay installed six months ago (it would click but not pass voltage through it.) The local shop had a Delco relay for $23, car ran again. During this testing I discovered it has a two speed fuel pump.
So I went to go get gas for the generator (it got windy today) and the dang car kept stalling again. I managed to barely get it to the gas station (halfway in a parking lot) and I couldn't get the car to stay running. Called for a tow, and started browsing my phone. Came across a thread on this forum saying you can bypass the resistor by bending a tab on the relay. It's a good thing that didn't need tools cause I didn't have any in the car!! Bent the tab and Vroooom! she runs again.
I'm going to drive it for a few days and if no issues I'll get the resistor pack (RockAuto calls it a fuel injection resistor - I thought this resistor was for the fuel injectors themselves!) I've already ordered a set of relays after the issues above from RockAuto as they were way cheaper... but I needed to move the car out of the way that day so I got one locally.
I suspect that when it warms up it gets flaky then randomly stalls. I can't confirm this, but if I left it overnight I suspect it'd start again after the resistor cooled back down.
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Post Thanks / Like - 0 Thanks, 1 Likes, 0 Dislikes
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01-02-2021
Glad to hear you found an answer to your problems.
97 GTP Sold-prolly rusted away by now
2011 F-150 Yote powered
Too Hot to Handle, Too Cold to Hold
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SE Level Member
01-03-2021
It's amazing what you can do when you're sitting waiting for the tow truck!
A simple google to a thread on this forums, one bent tab and I'm driving home.
I did take the car out again for a ~70km/40mi drive. No issues.
After I get the two relays I ordered later this week, I'll use my Tech II and command the speed relay on and off to confirm. Although at this point I'm 99% sure the resistor is bad.
This is why I like forums. They're searchable easily. I still don't understand the fad with FB groups.
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01-03-2021
Sadly forums are a dying breed. So much info on them yet everyone wants the info spoon fed to them. I've actually started a business of scooping up old forums and breathing new life into them, making sure the info on them never goes away.
97 GTP Sold-prolly rusted away by now
2011 F-150 Yote powered
Too Hot to Handle, Too Cold to Hold
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01-03-2021
FWIW.. just leave the tab bent and don't bother with anything else. The fuel pressure regulator will return any excess fuel the engine doesn't need.
I drink..so consider that when reading my posts.
2010 Audi A6 Dual IC's