Yes, we bought an H3. Deal with it :p

[ChargerX3]

[quote=""DCIV""]I see nothing!


Coop[/quote]

Same

[DCIV]

[quote=""ChargerX3""]Same[/quote]

Where brian with his img’s are so easy post.

Coop

[Chris GTO TT]

Works for me :d ontknow:

[ChargerX3]

Doesn't show on my Iphone. Does on my computer though.


Looks like something off a F&F movie with chrome bits from Vatozone.

[Duck Vader]

Works on my note9

[stealthee]

Not only can't you post pics, but now you can't see them? LOL

Jeff that thing looks like a disaster.

[Jeff V.]

That's probably why they went with a V8.

However, not everyone thought that way. I like this just for the blasphemy alone. 3rd gen Supra.



https://engineswapdepot.com/?p=2617

[Jeff V.]

So this truck is still kicking butt...slowly.

I'm trying to figure out something that's been going on since we bought it. It's had an intermittent code for misfire on cylinder 2 (P0302). It'll go out, sometimes for a week or so at a time. Then pop back up for no apparent reason. I replaced the plugs and moved the coils around. The problem stayed on #2. I haven't done a compression test yet. It feels like it's got a slight hesitation above 3000rpm, but that could just be vibration due to the tires. It's pretty vague.

I would think if it was something mechanical, it would always be on. My only thought at this point is it's got a marginal fuel injector.

Any thoughts?

[DCIV]

GM’s have horrible grounds. Just off the top of my head.


Coop

[Jeff V.]

If there was a bad ground it would affect more than just one specific cylinder.

[DCIV]

[quote=""Jeff V.""]If there was a bad ground it would affect more than just one specific cylinder.[/quote]

Agreed. I just know shitty grounds cause odd issues is all.


Coop

[Duck Vader]

My first thought was injectors. Swap them and see if misfire moves.

[Jeff V.]

I have to take the intake manifold off to get to them. If I go that far, I'm going to replace them on principle. The truck has over 170k on it, and I can get a full set of new ones for $90.

I'm tempted to do the fuel pump for the same reason, but it's a little more expensive at ~$250.

[Duck Vader]

Another win for the XJ. Super easy to get to the fuel injectors. Only hard thing to get to is the fuel pump. Damn thing is in the gas tank.

[DCIV]

Right before my fuel pump went out. I got the same code, two days apart that said it was running lean. Never felt it in the truck so I just shrugged it off.


Coop

[vr4]

It took me 9 months to condemn one of my customers envoy with bad intake valves. Swap coils, plugs, injectors, intake gaskets, etc. Finally caught it in the act and a vacuum gauge confirmed it.

Replace all 12 intake valves and no problems. Yes it's a somewhat common problem on the 2.8/3.5/4.2

[Jeff V.]

Ours is a 3.7. They allegedly fixed the head problems late in 06, and carried those fixes on when they revised the engine from 3.5 to 3.7.

[vr4]

[quote=""Jeff V.""]Ours is a 3.7. They allegedly fixed the head problems late in 06, and carried those fixes on when they revised the engine from 3.5 to 3.7.[/quote]

I was not aware they did anything.

[Jeff V.]

#PIP3935D: Misfire At Idle Due To Leaking Intake Valves - Supplement To 07-06-01-011 - keywords 2.8L 3.5L compression controls cylinder driveability DTC engine excessive head high L52 LK5 leakage leakdown low - (Mar 18, 2008)




Subject: Misfire at Idle due to Leaking Intake Valves - Supplement to 07-06-01-011

Models: 2004-2005 Chevrolet Colorado, GMC Canyon

2006 Chevrolet Colorado, GMC Canyon

and Last 6 of VIN Less than 287698

2006 Hummer H3

and Last 6 of VIN Less than 287591

I think the fix was heads with harder valve seats or something.

Between this and the 20hp difference, I avoided the 2006 models entirely.

[ChargerX3]

[quote=""Duck Vader""]Another win for the XJ. Super easy to get to the fuel injectors. Only hard thing to get to is the fuel pump. Damn thing is in the gas tank.[/quote]

Something good to say about the XJ? Why i never...

Ive changed the fuel pump and it sucked. Only because you cannot drain the plastic tank. Oh, the fumbling and workout that ensued.


Jeff i would look at injectors first, but it sounds like its a pain to gain access. Not a bad job for $90 and all new injectors though.