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Search: Posts Made By: RVinCT
Forum: M380 (Unique Issues) 15 Hours Ago
Replies: 132
Views: 3,581
Posted By RVinCT
The oil pressure: It appears that there are two...

The oil pressure:
It appears that there are two places where oil pressure can be measured. One is on the passenger side. That seems to be where Doc installed his adapter OP gauge. It's a metric...
Forum: M380 (Unique Issues) 16 Hours Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Yes, I'll be happy to start a thread on that. I...

Yes, I'll be happy to start a thread on that. I was planning to post a final message in this thread summarizing the oil pressure issues and some electrical issues. But first I had some vacationing...
Forum: M380 (Unique Issues) 6 Days Ago
Replies: 8
Views: 288
Posted By RVinCT
Step 1: I tried dumping the suspension, starting...

Step 1: I tried dumping the suspension, starting the engine, waiting for the air dryer to "spit" and then turning off the suspension dump again. No Luck.

Step 2: Repeat Step 1 three or four...
Forum: M380 (Unique Issues) 1 Week Ago
Replies: 8
Views: 288
Posted By RVinCT
The better half suggested I step directly from...

The better half suggested I step directly from the door step out of the coach and into our canoe, then paddle around to the rear and stick a camera under the coach. Your procedure seems much easier...
Forum: M380 (Unique Issues) 1 Week Ago
Replies: 8
Views: 288
Posted By RVinCT
Thanks guys. When the rain stops I'll take a...

Thanks guys. When the rain stops I'll take a close look.
Forum: M380 (Unique Issues) 1 Week Ago
Replies: 8
Views: 288
Posted By RVinCT
Right side air bags leaking/down

So, I just get done with solving the engine ECU power problem (https://www.wanderlodgeownersgroup.com/forums/showthread.php?t=34543) and we went to move the coach to a new site. The right side air...
Forum: M380 (Unique Issues) 2 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
The results are in: One hour engine run...

The results are in:

One hour engine run test. First 5 minutes, last 10 minutes and two 1-2 minute checks in the middle at 700 rpm. All the rest of the time the engine ran at high idle 1300 rpm....
Forum: M380 (Unique Issues) 2 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
BTW, the ISL is designed with a diagnostic switch...

BTW, the ISL is designed with a diagnostic switch that when turned on will cause a light to blink and give you fault codes when you turn on the ignition. I found a reference to that switch in the BB...
Forum: M380 (Unique Issues) 2 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Technically, no. But, I measured battery voltage...

Technically, no. But, I measured battery voltage and resistance from every ECU 12V+ pin to the engine battery positive terminal and from every ECU ground pin to the engine battery negative terminal....
Forum: M380 (Unique Issues) 2 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Another update: All tests on the engine ECU...

Another update:
All tests on the engine ECU have been completed. No sign of problems. I've removed the hacked up wire the dealer installed and reconnected the wires they cut (for testing I've just...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Brief update: 1) There was a missing fuse from...

Brief update:
1) There was a missing fuse from Alternator Load,
2) There was a blown fuse for Eng Compartment Lights,
3) The 1009 YEL wire was cut leading to the Starter solenoid and a hacked wire...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Red face The 434 code is very specific that the engine ECM...

The 434 code is very specific that the engine ECM is losing power on the "unswitched" power line. Cummins tech support emphasized to me that I should be looking at the power lines that do not go...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
I found another RV owner with 434 codes and...

I found another RV owner with 434 codes and engine shutdowns. He found a bad connector to +12v. I'm having trouble finding the "23 pin" OEM connector and the fuses (it helps to look up the right...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Cummins helped find the ECU. It's on the engine,...

Cummins helped find the ECU. It's on the engine, behind/beside the fuel filter. They can't identify any codes other than FC434.
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
After reviewing the FC434 info, I agree. The...

After reviewing the FC434 info, I agree. The mechanical gauge is telling me I have good oil pressure and the shutdowns are not closely related to idle low pressure. The buzzer and inaccurate gauge...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Thank You! Thank You!

Thank You! Thank You!
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Good point. Checking all that area and related...

Good point. Checking all that area and related wires may help....what fun :)

On the oil pressure and buzzer, I see that the M380 manual says:
"Note 4: Stop and Check Engine (engine warning)...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
OK, I didn't realize it was telling me what to...

OK, I didn't realize it was telling me what to do. I think the power loss caused the dash to reset and flash all lights, and that was short enough to not cause the engine shutdown.

BTW, the...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Yes, I've got schematics. Checking ignition...

Yes, I've got schematics. Checking ignition switch and ground is a good idea, but how, where? I never touched the switch during testing (not bumped), and I've not seen any intermittent...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
The fact that all of my dash lights turn on would...

The fact that all of my dash lights turn on would be consistent with a loss of 12v power. That's what happens when you first turn on the ignition key. That happened when the buzzer first sounded,...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
I did consider this. This message cropped up...

I did consider this. This message cropped up before.

I agree it looks like my actual oil pressure is fine. However, the alarm buzzer does seem to be closely linked to low idle. The indicated...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
This morning I did the longer test with the new...

This morning I did the longer test with the new mechanical OP gauge T'd into the line with the original OP sensor

At start the mechanical read 100 psi and the electrical read 95. I mostly fast...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
FYI, The good manuals seem to be available only...

FYI, The good manuals seem to be available only one page at a time or for purchase, but some of the others are available online by searching for their number.
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Jim, the quickserve.cummins.com site has many...

Jim, the quickserve.cummins.com site has many electronic references, but so far, I haven't found how to download them.

I just found this info, however:
OIL PRESSURE SENSOR
Torque (Threaded...
Forum: M380 (Unique Issues) 3 Weeks Ago
Replies: 132
Views: 3,581
Posted By RVinCT
Thanks for the image. What is that book? Do you...

Thanks for the image. What is that book? Do you have the title so I can find one to buy? Does Cummins sell it?

I've attached a modified image showing where the OP sensor is connected.

It's...
Showing results 1 to 25 of 393

 
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