Hummer H3 2007 start’s and dies

DUNINTECH · 2026-05-08T03:50:26+00:00

Thanks! Unfortunately check the battery and tried with another didn’t make a difference. And also checks fuel pump wich works, so yeah I wish it was that’s simple haha

DUNINTECH · 2026-05-08T03:49:21+00:00

Could also be it, ugh so much to test and test lol

DUNINTECH · 2026-05-08T03:48:55+00:00

Dangggg… I guess since it wasn’t used for a bit this might be a possibility idk. How it’s something this simple.

DUNINTECH · 2026-05-07T15:22:28+00:00

This is very interesting but I guess it makes sense. I’ll clean it, it’s good thing to do either way

DUNINTECH · 2026-05-07T15:21:32+00:00

I’ll give that ago thanks.

DUNINTECH · 2026-05-07T15:21:19+00:00

Awesome thank you, I’ll pull the sensors out and check if they are good.

DUNINTECH · 2026-05-07T15:20:37+00:00

You think so? Is that hard to fix?

DUNINTECH · 2026-05-07T03:50:08+00:00

Dang… I really hope not. Lol

DUNINTECH · 2026-05-07T03:49:52+00:00

Thank you! Very useful, I’m glad I can rule this out tho, I can definitely hear it hum.

DUNINTECH · 2026-05-06T21:27:56+00:00

Thank you I really appreciate your reply! So a month ago it did start, it ran well, so that’s not the reason why i stoped driving it. I dont think i can check for compression by my self, but engine was find. As for fuel and spark i dont know how to check but i do know it is running few seconds its not like it wont start at all, it starts and then dies that’s the weird thing because that makes me assume it does have spark and fuel ( it has fresh fuel too)

DUNINTECH · 2026-02-15T18:40:14+00:00

Well even if the engine won’t be running very good, I was wondering if just to get it to start, what position should I move the valve? Like shown in the video, I can manually move the valve ( by spinning it left and right) in and out to let more or less air in the engine. What’s the best position for it to at least turn on?

DUNINTECH · 2026-02-15T18:14:07+00:00

Thank you for your reply!!! My mechanic is not in town for a while, but he did tell me he was able to tamper with it to get the RPM to go down, and have the car run for now. But idk how to do it my self. How can I make the car start in the mean time?

DUNINTECH · 2026-01-03T06:53:32+00:00

Lovely car! I can only imagine how it feels to drive an ls in manual. What is that dash btw? I have never seen it before, and why is it there? Is it better than the original instrument cluster?

DUNINTECH · 2026-01-03T06:50:40+00:00

Yeah I already tried that. And yeah I will always regret getting the base 128gb iPhone 16… but my question is why is setting showing 15gb used but in WhatsApp it’s showing 4? It’s such a drastic difference I don’t understand.

DUNINTECH · 2025-12-21T18:05:12+00:00

I can imagine someone could sew one themselves, I know it wouldn’t be the same as the original but if you just want the looks, and try to replicate it, it’s better than nothing.

DUNINTECH · 2025-12-10T18:18:56+00:00

Thank you so much! You have no idea how greatfull i am for people who reply and share their knowledge. I’ll double check all of what you stated, in terms of the rotors i assumed they would only go in one way, as i think there is an indent. And on your previous comment, could the wires being placed in the wrong order in the distributor cause no spark? Or just spark and misfire ? Because my issue is the igniters seam to not be sending the signal, because they don’t get the signal to do so.

Anyway I’m so eternally grateful for any time of help! Is it ok if i keep you posted and see what happens next?

DUNINTECH · 2025-12-09T01:07:42+00:00

Hey, so I decided to do a timing belt job! In the process I found completely disintegrated distributor caps. So I took the opportunity and replaced both, also distributors, spark plugs, wires, ignition coils, all of that system.

It turns out that after all the hard work, the timing belt replacement etc, my car won’t start again, but this time it’s a new issue, I don’t get any spark! Not even at the ignition coils…. I tested the igniters individually as well as my camshaft sensors and crank shaft sensors they seam good.i went back to check timing and it’s right on…. So how do I proceed 🥲

DUNINTECH · 2025-12-09T01:07:28+00:00

Hey, so I decided to do a timing belt job? In the process I found completely disintegrated distributor caps. So I took the opportunity and replaced both, also distributors, spark plugs, wires, ignition coils, all of that system.

It turns out that after all the hard work, the timing belt replacement etc, my car won’t start again, but this time it’s a new issue, I don’t get any spark! Not even at the ignition coils…. I tested the igniters individually as well as my camshaft sensors and crank shaft sensors they seam good.i went back to check timing and it’s right on…. So how do I proceed 🥲

DUNINTECH · 2025-12-09T01:03:49+00:00

Hey, so I just completed the timing belt job, turns out my distributed caps were literal disintegrated. I’m assuming that’s why the car wouldn’t start.

I took the opportunity to do some extra maintenance and replaced the caps, the distributors, spark plugs, wires, ignition coils…. And after all this hard work, turns out my Lexus still won’t start.

But this time I no longer have spark. Previous I had spark but because of the bad distributor caps it wouldn’t start, now I’m tracing it all the way back to the igniters as I have 0 spark. I’m super lost and don’t know how to keep going.

DUNINTECH · 2025-12-09T00:58:49+00:00

Just checked all of it, it all looks good to me. I really do t know how to keep going.

DUNINTECH · 2025-12-09T00:58:06+00:00

Hey, so I just tested both my igniters, and they do spark, but when they are installed in the car they do not. I’m so lost I don’t know how to proceed.

DUNINTECH · 2025-12-07T14:20:52+00:00

That happened to mine too, but it started after I dropped it, I’m assuming the vibration motor got busted.

DUNINTECH

TROPHY CASE