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Search: Posts Made By: ZVOLV
Forum: maintenance & nonperformance Yesterday, 06:21 PM
Replies: 4
Views: 102
Posted By ZVOLV
You can just pull a plug, install it in the coil...

You can just pull a plug, install it in the coil and lay it against a good ground.

I would check spark on all 6 cylinders. It has two ignition amplifiers. It may not start on 3 cylinders.

Got...
Forum: maintenance & nonperformance 07-25-2021, 01:07 AM
Replies: 16
Views: 2,130
Posted By ZVOLV
You may find it pegged lean at 0.1V or pegged...

You may find it pegged lean at 0.1V or pegged rich at 0.9V. Check after engine has run for several minutes.

The ECM sounds suspect.
Forum: maintenance & nonperformance 07-25-2021, 12:29 AM
Replies: 16
Views: 2,130
Posted By ZVOLV
What's the O2 voltage when the issue is present?

What's the O2 voltage when the issue is present?
Forum: maintenance & nonperformance 07-24-2021, 08:51 PM
Replies: 16
Views: 2,130
Posted By ZVOLV
What is the fuel pressure? You can't just say " I...

What is the fuel pressure? You can't just say " I have pressure at the rail."
Forum: maintenance & nonperformance 07-24-2021, 07:25 PM
Replies: 16
Views: 2,130
Posted By ZVOLV
Ok so it runs, but it runs like ****? You...

Ok so it runs, but it runs like ****?

You could have a massive air leak or barely any fuel pressure.

Pull the codes with the OBD blinky thing.
Forum: maintenance & nonperformance 07-17-2021, 01:44 AM
Replies: 5
Views: 599
Posted By ZVOLV
You have melted wiring on the resistor. Get an...

You have melted wiring on the resistor. Get an OEM resistor replacement. It isn't easy to swap. It will take you an entire weekend on the first try.

The shop likely just added a fitting to...
Forum: performance & modifications 07-14-2021, 04:38 PM
Replies: 14
Views: 1,031
Posted By ZVOLV
Does not a spark plug fit?

Does not a spark plug fit?
Forum: maintenance & nonperformance 07-09-2021, 01:37 AM
Replies: 4
Views: 876
Posted By ZVOLV
****tt grounds at the intake?

****tt grounds at the intake?
Forum: maintenance & nonperformance 07-08-2021, 09:38 PM
Replies: 13
Views: 1,922
Posted By ZVOLV
SERVICE light just means it's time for an oil...

SERVICE light just means it's time for an oil change.
Forum: maintenance & nonperformance 07-05-2021, 03:13 PM
Replies: 13
Views: 1,922
Posted By ZVOLV
Which codes are stored?

Which codes are stored?
Forum: maintenance & nonperformance 07-03-2021, 12:50 PM
Replies: 3
Views: 779
Posted By ZVOLV
The fuse holder/fuses are suspect. The...

The fuse holder/fuses are suspect.

The positive junction block on the driver fender too.
Forum: projects & restorations 06-27-2021, 04:48 AM
Replies: 112
Views: 63,445
Posted By ZVOLV
Don't smoke your clutches. Once you start...

Don't smoke your clutches. Once you start slipping, you are burning things up.

You haven't hit fuel cut yet? (5V on the MAF)
Forum: performance & modifications 06-27-2021, 04:23 AM
Replies: 17
Views: 4,773
Posted By ZVOLV
Hehe. He said anal.

Hehe. He said anal.
Forum: maintenance & nonperformance 06-27-2021, 02:46 AM
Replies: 7
Views: 1,343
Posted By ZVOLV
I would go after the fuel pump relay, the...

I would go after the fuel pump relay, the powerstage, and the crankshaft position sensor.

I have had two powerstages that started failing HOT and then eventually quit.
Forum: performance & modifications 06-27-2021, 02:39 AM
Replies: 259
Views: 114,109
Posted By ZVOLV
NVH

I would do some more Google research on automotive NVH diagnosis.

It looks like there are some apps available for NVH diag.

Or maybe try a mechanical instrument like a vibrating reed...
Forum: maintenance & nonperformance 06-27-2021, 02:23 AM
Replies: 7
Views: 1,343
Posted By ZVOLV
If your car is LH2.4 you have a powerstage and it...

If your car is LH2.4 you have a powerstage and it is mounted on the driver side inner fender.

If you have Regina- you have NO powerstage (ignition amp) and just that big ugly ignition module/coil....
Forum: maintenance & nonperformance 06-27-2021, 01:51 AM
Replies: 7
Views: 1,343
Posted By ZVOLV
The power stage could be dying.

The power stage could be dying.
Forum: showroom 06-23-2021, 03:26 PM
Replies: 11
Views: 3,783
Posted By ZVOLV
It's the high beam. The circuit is really...

It's the high beam.

The circuit is really easy to figure out once you remove the rear caps.
Forum: maintenance & nonperformance 06-23-2021, 03:17 PM
Replies: 8
Views: 1,718
Posted By ZVOLV
Thanks for posting back. Glad you got it! I...

Thanks for posting back. Glad you got it!

I always perform a cylinder drop test on these engines by unplugging a fuel injector. It is safer for you, and also for the cat. Unburned fuel going into...
Forum: maintenance & nonperformance 06-23-2021, 12:11 PM
Replies: 8
Views: 1,718
Posted By ZVOLV
Maybe you didn't torque a lower intake nut.

Maybe you didn't torque a lower intake nut.
Forum: maintenance & nonperformance 06-22-2021, 09:11 PM
Replies: 8
Views: 1,718
Posted By ZVOLV
Do a cylinder drop test and see if it is just one...

Do a cylinder drop test and see if it is just one cylinder misfiring. = unplug one injector at a time. (sounds like you did this..)


spray around with brake cleaner/carb cleaner/propane/hair...
Forum: performance & modifications 06-22-2021, 09:09 PM
Replies: 5
Views: 1,673
Posted By ZVOLV
My 1989 740 GLE with B234F actually had an...

My 1989 740 GLE with B234F actually had an electronic purge valve.
Forum: maintenance & nonperformance 06-21-2021, 08:51 PM
Replies: 9
Views: 1,583
Posted By ZVOLV
Do you have injector pulse? Do you have a...

Do you have injector pulse?

Do you have a test lamp?
Forum: maintenance & nonperformance 06-21-2021, 08:51 PM
Replies: 5
Views: 1,695
Posted By ZVOLV
You gotta have it at the correct angle to unlock....

You gotta have it at the correct angle to unlock. It can be tough

I would unbolt it and try to hold it at different angles and see if you can get it to release.
Forum: performance & modifications 06-18-2021, 09:39 AM
Replies: 397
Views: 44,905
Posted By ZVOLV
Lacrosse and Sierras had E-Assist.

Lacrosse and Sierras had E-Assist.
Forum: maintenance & nonperformance 06-17-2021, 01:31 AM
Replies: 7
Views: 1,841
Posted By ZVOLV
3M

I would like to find some 3M tape in sheet form and then cut it to size on a template.

I see 3M trim tape. What about sheeet?




ha
Forum: performance & modifications 06-16-2021, 10:21 PM
Replies: 397
Views: 44,905
Posted By ZVOLV
The new Bolt features one pedal driving.

The new Bolt features one pedal driving.
Forum: maintenance & nonperformance 06-16-2021, 02:16 PM
Replies: 7
Views: 1,841
Posted By ZVOLV
Trim Tape

The windshield trim on my 740 has lost all the black. I want to try some tape.

I also have a non-Volvo where I need to lay about a 4 inch wide strip around the windows

What do you suggest?
Forum: maintenance & nonperformance 06-13-2021, 01:23 PM
Replies: 21
Views: 2,960
Posted By ZVOLV
Does it run on starting fluid? Click my sig

Does it run on starting fluid? Click my sig
Forum: maintenance & nonperformance 06-12-2021, 12:27 PM
Replies: 21
Views: 2,960
Posted By ZVOLV
Injector pulse?

Injector pulse?
Forum: maintenance & nonperformance 06-11-2021, 02:12 PM
Replies: 10
Views: 2,119
Posted By ZVOLV
I believe LED shows the cross counts as the...

I believe LED shows the cross counts as the voltage swings to each side of 0.45V. If it's pegged on, I think that means your sensor is pegged/bias toward rich or lean.
Forum: performance & modifications 06-09-2021, 09:30 PM
Replies: 397
Views: 44,905
Posted By ZVOLV
Public Service Announcement

BE CAREFUL with high voltage!!! Use high voltage gloves and a proper meter to confirm that the circuit is disabled before working on it.

I work on modern systems with many safety systems to...
Forum: maintenance & nonperformance 06-09-2021, 09:13 PM
Replies: 10
Views: 2,119
Posted By ZVOLV
.... dub post

.... dub post
Forum: maintenance & nonperformance 06-09-2021, 08:49 PM
Replies: 10
Views: 2,119
Posted By ZVOLV
Report back. If you check cold, there will...

Report back.

If you check cold, there will be close to zero volts. Put a test lamp between the two white wire terminals, key ON. This tests the heater circuit. The heater is there to bring the...
Forum: maintenance & nonperformance 06-09-2021, 04:29 PM
Replies: 7
Views: 2,223
Posted By ZVOLV
Inspect hall sensor. Is there spark and...

Inspect hall sensor.

Is there spark and fuel injector pulse?
Forum: maintenance & nonperformance 06-09-2021, 11:20 AM
Replies: 5
Views: 1,530
Posted By ZVOLV
I refuse to read a wall of text. Pressure...

I refuse to read a wall of text.

Pressure test the cooling system.
Forum: maintenance & nonperformance 06-08-2021, 09:35 PM
Replies: 10
Views: 2,119
Posted By ZVOLV
You are either running rich, or it is a bunk...

You are either running rich, or it is a bunk sensor. You could try a snap-throttle test. It should go rich, then lean, then go back to oscillating. You could try to induce a large air leak and it...
Forum: maintenance & nonperformance 06-08-2021, 09:32 PM
Replies: 29
Views: 4,533
Posted By ZVOLV
I don't know where to get them right now. I am...

I don't know where to get them right now. I am going to look into upgrading to the later model version that I think rivets in.


Things I would check:

-Corrosion, fretting, oxidation, etc at...
Forum: maintenance & nonperformance 06-08-2021, 01:13 AM
Replies: 29
Views: 4,533
Posted By ZVOLV
Wiggle test the crank sensor while it's running.

Wiggle test the crank sensor while it's running.
Forum: maintenance & nonperformance 06-07-2021, 10:28 PM
Replies: 29
Views: 4,533
Posted By ZVOLV
Is your firewall/hood seal dangling?

Is your firewall/hood seal dangling?
Forum: performance & modifications 06-04-2021, 02:04 AM
Replies: 259
Views: 114,109
Posted By ZVOLV
What is a second order vibration? How can it...

What is a second order vibration?

How can it be measured?
Forum: maintenance & nonperformance 06-01-2021, 08:37 PM
Replies: 40
Views: 6,781
Posted By ZVOLV
Thickness variation can be from brake pad...

Thickness variation can be from brake pad material on the rotor.
Forum: maintenance & nonperformance 06-01-2021, 03:18 PM
Replies: 13
Views: 2,173
Posted By ZVOLV
LH2.2 measure pin-to-pin. LH2.4 measure between...

LH2.2 measure pin-to-pin. LH2.4 measure between each pin and ground (body of the sensor)
Forum: maintenance & nonperformance 06-01-2021, 03:09 PM
Replies: 40
Views: 6,781
Posted By ZVOLV
Thickness variation and/or lateral runout are...

Thickness variation and/or lateral runout are causes of vibration.
Forum: maintenance & nonperformance 06-01-2021, 02:49 PM
Replies: 40
Views: 6,781
Posted By ZVOLV
Rotors don't warp.

Rotors don't warp.
Forum: maintenance & nonperformance 06-01-2021, 12:58 AM
Replies: 8
Views: 1,452
Posted By ZVOLV
Do you have fuel injector pulse? Codes? ...

Do you have fuel injector pulse?

Codes?
Power/ground to the computers?
Forum: maintenance & nonperformance 05-31-2021, 01:26 PM
Replies: 18
Views: 3,971
Posted By ZVOLV
Try a 7lb deadblow hammer and a full body swing...

Try a 7lb deadblow hammer and a full body swing with the car on a hoist.
Forum: maintenance & nonperformance 05-31-2021, 11:59 AM
Replies: 40
Views: 6,781
Posted By ZVOLV
Burnish the pads

Burnish the pads
Forum: maintenance & nonperformance 05-26-2021, 01:24 PM
Replies: 12
Views: 2,825
Posted By ZVOLV
Unplug the connector, peel back the boot, and...

Unplug the connector, peel back the boot, and backprobe a test lamp between the two terminals.
Forum: maintenance & nonperformance 05-26-2021, 12:00 PM
Replies: 12
Views: 2,825
Posted By ZVOLV
The proper tool is an oscilloscope.

The proper tool is an oscilloscope.
Showing results 1 to 50 of 300

 
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