JeepForum.com - Search Results
Advanced Search
Showing results 1 to 20 of 135
Search took 0.02 seconds.
Search: Posts Made By: pinto_dave
Jeep Forums: ZJ Grand Cherokee Forum   02-20-2020, 05:34 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
The dealership verified one of my suspicions. ...

The dealership verified one of my suspicions.

The cam sensor shutter is aligned correctly with the sensor, and the fuel sync is good. Cam sensor shutter position controls the injector sync.

The...
Jeep Forums: ZJ Grand Cherokee Forum   02-20-2020, 09:19 AM
Replies: 31
Views: 1,514
Posted By pinto_dave
I will definitely look into the injector testing...

I will definitely look into the injector testing through those guys, or rule out any injector issues. And be sure everything is up to snuff.

I did get around to checking the O2 sensor wiring...
Jeep Forums: ZJ Grand Cherokee Forum   02-18-2020, 10:28 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
Yes, the last cat that was run on the old motor...

Yes, the last cat that was run on the old motor was actually melted half through. I replaced the cat on the new motor a week after dropping it in. This is the first cat failure on the new motor.
...
Jeep Forums: ZJ Grand Cherokee Forum   02-18-2020, 09:37 AM
Replies: 31
Views: 1,514
Posted By pinto_dave
So the distributor should be okay, timing looks...

So the distributor should be okay, timing looks good then.

The pcm doesn't stay in open loop, it switches to closed shortly after running as it should, I'm wondering if it slowly running richer...
Jeep Forums: ZJ Grand Cherokee Forum   02-17-2020, 10:33 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
I did just that tonight. The replacement...

I did just that tonight.

The replacement Spectra has the rotor head almost exactly past the #1 post when installed and "aligned". Maybe a hair more than "past the post".

The original has the...
Jeep Forums: ZJ Grand Cherokee Forum   02-17-2020, 09:36 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
What exactly do you mean by checking distributor...

What exactly do you mean by checking distributor sync? Do you mean by checking to see if it is indexed correctly?

I pulled the distributor, played with the rotor positioning, and the existing...
Jeep Forums: ZJ Grand Cherokee Forum   02-15-2020, 10:46 AM
Replies: 31
Views: 1,514
Posted By pinto_dave
The car idles great, drives fine, maybe some...

The car idles great, drives fine, maybe some slight sluggishness at times, which is why this is so baffling.

So with fuel sync being off, that tells me these possibilities...

Injectors
CMP...
Jeep Forums: ZJ Grand Cherokee Forum   02-14-2020, 10:08 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
Here are the upstream (O2S11(V)) and the...

Here are the upstream (O2S11(V)) and the downstream (O2S12(V)) O2 sensor readings from the same trip.

This was from a 3 minute capture. Where the downstream drops to around the 0.079v and hangs...
Jeep Forums: ZJ Grand Cherokee Forum   02-14-2020, 10:02 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
It seems those didn't actually upload. Here are...

It seems those didn't actually upload. Here are the pictures of the cap. I did replace it, and the rotor. The old rotor seemed to have the blade protrude slightly less, so the new one has the post...
Jeep Forums: ZJ Grand Cherokee Forum   02-14-2020, 07:59 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
The original pcm I had needed the e22 update...

The original pcm I had needed the e22 update after I purchased the vehicle. That pcm fried and had to be replaced with a different good junk yard unit.

I didn't realize there was an update that...
Jeep Forums: ZJ Grand Cherokee Forum   02-14-2020, 01:47 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
I just pulled the cap and rotor so I could double...

I just pulled the cap and rotor so I could double check the cam sensor condition, just to be sure it isn't chewed up or something. Cam sensor is good. Found this in the cap though. Odd that carbon...
Jeep Forums: ZJ Grand Cherokee Forum   02-14-2020, 10:35 AM
Replies: 31
Views: 1,514
Posted By pinto_dave
I forgot to add, I was playing with the scanner...

I forgot to add, I was playing with the scanner and noticed a note about the o2 sensor heater circuit is not passing. Perhaps it's just a bad sensor?
Jeep Forums: ZJ Grand Cherokee Forum   02-14-2020, 10:23 AM
Replies: 31
Views: 1,514
Posted By pinto_dave
The only O2 sensors I have ever used are NTK. The...

The only O2 sensors I have ever used are NTK. The jeep had a bosch on it when I got it, but I replaced both sensors with NTK units after the first cat change.

The code I am getting is P0420. When...
Jeep Forums: ZJ Grand Cherokee Forum   02-14-2020, 12:53 AM
Replies: 31
Views: 1,514
Posted By pinto_dave
The old cats were showing signs of running rich,...

The old cats were showing signs of running rich, with the 50-75% of the catalyst melted into a blob on the engine side, verified running rich by the visual, which they brought me out to see first...
Jeep Forums: ZJ Grand Cherokee Forum   02-13-2020, 11:12 PM
Replies: 31
Views: 1,514
Posted By pinto_dave
'96 4.0 destroying cats....

Not the animal, the converter breed of cat.. :grin2:

I have put five cats on this thing, all in different stages of of it's life, and now it has killed another one.

The first cat was replaced...
Jeep Forums: ZJ Grand Cherokee Forum   07-02-2019, 01:46 PM
Replies: 71
Views: 4,166
Posted By pinto_dave
My 96 grand limited works like new. Bewildered...

My 96 grand limited works like new. Bewildered joints a few years back when I got it.
Jeep Forums: ZJ Grand Cherokee Forum   05-04-2019, 01:01 AM
Replies: 5
Views: 516
Posted By pinto_dave
Due to an insanely busy month of may and June,...

Due to an insanely busy month of may and June, short on time, and need of my vehicle for work (80% is road travel), I opted for a crate motor.

Thank you for the suggestion baddad71. I was...
Jeep Forums: ZJ Grand Cherokee Forum   05-04-2019, 12:53 AM
Replies: 3
Views: 506
Posted By pinto_dave
I can second the pac-swi for steering wheel...

I can second the pac-swi for steering wheel controls. Best part is you can program the buttons to do what you like.

I restored all of my infinity gold speakers with new surrounds, and added a 5.9...
Jeep Forums: ZJ Grand Cherokee Forum   05-04-2019, 12:49 AM
Replies: 6
Views: 386
Posted By pinto_dave
I just had this issue. I tried the flare and hose...

I just had this issue. I tried the flare and hose clamp thing and it came off a second time. Sick and tired of it, I opted for a shop to build me a custom hose, which was about $15. This company does...
Jeep Forums: ZJ Grand Cherokee Forum   04-28-2019, 07:55 PM
Replies: 5
Views: 516
Posted By pinto_dave
Verified VA32 is the correct part through 5...

Verified VA32 is the correct part through 5 places now, including rockauto. Looks like atk is probably who does their "famous brand" motors. I just paid for a long block through 4 wheel parts, we...
Showing results 1 to 20 of 135

 
Forum Jump
 
For the best viewing experience please update your browser to Google Chrome