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Search: Posts Made By: ZVOLV
Forum: maintenance & nonperformance Today, 01:49 PM
Replies: 4
Views: 90
Posted By ZVOLV
IDK. Maybe you have other issues and just can't...

IDK. Maybe you have other issues and just can't handle the load. Maybe it's electrical. Tldr. Pull the belt off and see if it still does it?
Forum: maintenance & nonperformance Today, 01:48 PM
Replies: 4
Views: 95
Posted By ZVOLV
Do a new drier.

Do a new drier.
Forum: maintenance & nonperformance Today, 01:33 PM
Replies: 4
Views: 90
Posted By ZVOLV
Odd...could be a seized compressor. Go try to...

Odd...could be a seized compressor. Go try to spin the compressor (center) by hand.
Forum: maintenance & nonperformance Today, 01:05 PM
Replies: 1
Views: 55
Posted By ZVOLV
That red bulb failure thingy prob failed.

That red bulb failure thingy prob failed.
Forum: maintenance & nonperformance Yesterday, 03:13 PM
Replies: 13
Views: 256
Posted By ZVOLV
That's interesting. Good find.

That's interesting. Good find.
Forum: maintenance & nonperformance Yesterday, 02:02 PM
Replies: 18
Views: 825
Posted By ZVOLV
There is no 12v to the crank sensor. Lies! It...

There is no 12v to the crank sensor. Lies! It makes it's own voltage using a magnet


http://i.imgur.com/3o6yzy9.jpg

Crank sensor at idle:

http://i64.tinypic.com/wamtmh.jpg

Powerstage...
Forum: maintenance & nonperformance 07-19-2018, 10:02 PM
Replies: 11
Views: 234
Posted By ZVOLV
Random tach drop out and stall is likely...

Random tach drop out and stall is likely powerstage.

Don't over-analyze charging volts too much. Learn how to do voltage drops on the cables and fix the bad ones and you will get more juice.
Forum: maintenance & nonperformance 07-19-2018, 04:41 PM
Replies: 16
Views: 264
Posted By ZVOLV
That's why oil leaks should be fixed.

That's why oil leaks should be fixed.
Forum: maintenance & nonperformance 07-19-2018, 02:57 PM
Replies: 19
Views: 311
Posted By ZVOLV
Flex hose from box. If missing you may fail....

Flex hose from box. If missing you may fail. Airbox has a thermostatic operated flapper. When they fail, it will always suck in hot air and can fry the MAF. Some block it off mechanically, with rags...
Forum: maintenance & nonperformance 07-19-2018, 02:15 PM
Replies: 16
Views: 264
Posted By ZVOLV
No start on starting fluid means: 1. You did...

No start on starting fluid means:

1. You did it wrong
2. Mechanical problem like compression
3. No spark, erratic spark, or mistimed spark.

Have you done the test light to coil ground test?...
Forum: maintenance & nonperformance 07-18-2018, 11:56 PM
Replies: 24
Views: 475
Posted By ZVOLV
Stethoscope. Sounds like exhaust leak.

Stethoscope.

Sounds like exhaust leak.
Forum: maintenance & nonperformance 07-18-2018, 10:29 PM
Replies: 19
Views: 311
Posted By ZVOLV
Make sure you have the preheat hose and that the...

Make sure you have the preheat hose and that the thermostat in the airbox isn't stuck open.

How fresh is the cat?

Make sure the ignition timing is correct.

For the evap test they pinch off...
Forum: maintenance & nonperformance 07-18-2018, 09:41 PM
Replies: 16
Views: 264
Posted By ZVOLV
Click my sig. Does it run on ether? ...

Click my sig.

Does it run on ether?

Test light to coil negative to ground. STEADY blinking when cranking.

Weak point on these is the hall sensor. They can be failing and cause an ERRATIC...
Forum: maintenance & nonperformance 07-18-2018, 07:01 PM
Replies: 5
Views: 238
Posted By ZVOLV
I just went by 85% of the r12 label on my 1990...

I just went by 85% of the r12 label on my 1990 240 when I went to r134. It was over 2 lbs. 2.5 lbs i think.
Forum: maintenance & nonperformance 07-18-2018, 05:18 PM
Replies: 19
Views: 311
Posted By ZVOLV
Did you fail smog for evap?

Did you fail smog for evap?
Forum: maintenance & nonperformance 07-18-2018, 01:16 PM
Replies: 26
Views: 810
Posted By ZVOLV
Oscilloscope and inductive amp clamp over the...

Oscilloscope and inductive amp clamp over the battery cables=relative compression test=doing a compression test without even pulling the plugs.
Forum: maintenance & nonperformance 07-17-2018, 06:02 PM
Replies: 40
Views: 1,399
Posted By ZVOLV
Ok so disregard post 33. And TPS won't cause...

Ok so disregard post 33. And TPS won't cause misfires.
Forum: maintenance & nonperformance 07-17-2018, 05:38 PM
Replies: 40
Views: 1,399
Posted By ZVOLV
Is this a Regina car?

Is this a Regina car?
Forum: maintenance & nonperformance 07-17-2018, 03:33 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
O2 sensor ranges from 0.1 volts to 0.9v. It...

O2 sensor ranges from 0.1 volts to 0.9v.

It looks like you have a major mechanical issue like a huge air leak. If that guage is hooked up correctly you should see healthy vacuum. When you snap...
Forum: performance & modifications 07-17-2018, 02:38 PM
Replies: 35
Views: 2,747
Posted By ZVOLV
I like squirrels and scopes.

Hey so where do I find this sesnor on a junkyard car? A wheel speed sensor!?I keep forgetting my hex sockets....
Forum: maintenance & nonperformance 07-17-2018, 02:34 PM
Replies: 10
Views: 447
Posted By ZVOLV
Search noob!

Thanks. I actually did a search and found a post by you mentioning the resistance should be about 500-600 ohms. I didn't see any broken wiring, but it may be open internally.


Got a new fuel cap...
Forum: maintenance & nonperformance 07-16-2018, 10:01 PM
Replies: 10
Views: 447
Posted By ZVOLV
5v measured between a disconnected body side...

5v measured between a disconnected body side harness and OPEN circuit between the two terminals for the temp sensor. Needs a sensor!
Forum: maintenance & nonperformance 07-16-2018, 07:43 PM
Replies: 18
Views: 825
Posted By ZVOLV
A scope would show you all of the signals. ...

A scope would show you all of the signals.

You can use a meter too, but it wouldn't show dropouts or glitches. Here's a thread using a meter to test crank sensor:

...
Forum: maintenance & nonperformance 07-16-2018, 05:15 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
Is that boost guage hooked up? I don't see it...

Is that boost guage hooked up? I don't see it showing good vacuum.

If your engine was really only running on two cylinders, it would be shaking a LOT. Another trick is to put your hand over the...
Forum: maintenance & nonperformance 07-16-2018, 03:40 PM
Replies: 10
Views: 447
Posted By ZVOLV
Thanks for the spoon feed. I'm spoiled at the...

Thanks for the spoon feed. I'm spoiled at the shop and just get to punch in the VIN and have every bit of info I need on a car such as wiring diagrams, specs, and description/operation of every...
Forum: maintenance & nonperformance 07-14-2018, 11:14 PM
Replies: 40
Views: 1,399
Posted By ZVOLV
Injectors can cause misfires. Coolant temp...

Injectors can cause misfires.

Coolant temp sensor in spec?
Forum: maintenance & nonperformance 07-14-2018, 10:55 PM
Replies: 40
Views: 1,399
Posted By ZVOLV
Cylinder drop test?

Cylinder drop test?
Forum: maintenance & nonperformance 07-13-2018, 11:15 PM
Replies: 26
Views: 810
Posted By ZVOLV
Labscope and pressure transducer.

Labscope and pressure transducer.
Forum: maintenance & nonperformance 07-13-2018, 07:48 PM
Replies: 109
Views: 4,849
Posted By ZVOLV
Weak compressor can do that. What's the low side...

Weak compressor can do that. What's the low side pressure at idle, and then during a rev?
Forum: maintenance & nonperformance 07-13-2018, 07:47 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
Running really lean can allow it to idle, but not...

Running really lean can allow it to idle, but not rev. Or ignition timing/cam timing.

Let's see the video. Youtube.
Forum: maintenance & nonperformance 07-13-2018, 05:32 PM
Replies: 10
Views: 447
Posted By ZVOLV
I will look at the EZK. I want EGR to stay...

I will look at the EZK. I want EGR to stay functioning. The car needs to pass smog tests. I just passed the sniffer. I can neither confirm or deny if a third of a tank of E85 was used. Emissions...
Forum: maintenance & nonperformance 07-13-2018, 11:53 AM
Replies: 7
Views: 370
Posted By ZVOLV
At the shop there's a procedure where we cut...

At the shop there's a procedure where we cut about a 19mm hole in a certain vent, shove a spray wand applicator in there, then blast antimicrobial spray, then reseal the hole with a plug and RTV.
Forum: maintenance & nonperformance 07-12-2018, 09:19 PM
Replies: 10
Views: 447
Posted By ZVOLV
Yep. I'm over thinking it. It triggered so fast...

Yep. I'm over thinking it. It triggered so fast it's gotta be the wrong EZK unit or a complete open.
Forum: maintenance & nonperformance 07-12-2018, 07:32 PM
Replies: 10
Views: 447
Posted By ZVOLV
1991 740. CODE 4-1-3. Looking for greenbook info/help

I just bought a 1991 740. I noticed, after the purchase, that the check engine light bulb has been removed. No wonder he balked when I was asking if it had passed smog. So I swapped bulbs, and guess...
Forum: maintenance & nonperformance 07-12-2018, 02:29 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
It's difficult to understand what's going on...

It's difficult to understand what's going on here. You say it idles now, but isn't misfiring!? What happens when you do a cylinder drop test at idle by unplugging injectors 2 or 3?

Your timing...
Forum: maintenance & nonperformance 07-11-2018, 07:15 PM
Replies: 14
Views: 816
Posted By ZVOLV
I put URO strut mounts on my last 740. I slammed...

I put URO strut mounts on my last 740. I slammed the gland nut on with my 1/2" impact. After that, my car would sometime pull to the side after a turn. I don't know if I damaged the parts or if they...
Forum: maintenance & nonperformance 07-11-2018, 06:00 PM
Replies: 14
Views: 816
Posted By ZVOLV
My 1991 740 clunks. I had it in the air and...

My 1991 740 clunks. I had it in the air and didn't detect any blown bushings, but it was just a quick glance. 220k car. Prob needs everything.

I would start with racking the car in the air and...
Forum: maintenance & nonperformance 07-11-2018, 05:48 PM
Replies: 10
Views: 463
Posted By ZVOLV
One wire that comes to mind is the blue/yellow...

One wire that comes to mind is the blue/yellow wire that powers the MAF. Really easy to peel back and check for current with a light to co form if the EFI/FUEL PUMP relay is working.

Another idea...
Forum: maintenance & nonperformance 07-11-2018, 11:38 AM
Replies: 10
Views: 463
Posted By ZVOLV
Bring a test light with you and probe the back of...

Bring a test light with you and probe the back of the fuel pump fuse to cig lighter ring as ground. When the prob is there, power to pumps? How about to the computer side of the EFI relay circuit?
Forum: maintenance & nonperformance 07-10-2018, 05:14 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
Imgur Or donate $ and can host here.

Imgur

Or donate $ and can host here.
Forum: maintenance & nonperformance 07-10-2018, 03:54 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
No need the remove the crank pulley to inspect....

No need the remove the crank pulley to inspect. Just look from above as I mentioned. Upper cover off.

It really can't hurt to pull the covers, line the marks on the pulleys all up and make sure...
Forum: maintenance & nonperformance 07-10-2018, 10:47 AM
Replies: 51
Views: 1,146
Posted By ZVOLV
Pull the upper timing cover and get a strong...

Pull the upper timing cover and get a strong light and make sure the notch in the washer lines up with the block casting.
...
Forum: maintenance & nonperformance 07-10-2018, 12:33 AM
Replies: 51
Views: 1,146
Posted By ZVOLV
Are you timing the crank with the crank pulley or...

Are you timing the crank with the crank pulley or the SPROCKET?
Forum: maintenance & nonperformance 07-09-2018, 07:46 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
Is that little black plastic alignment piece...

Is that little black plastic alignment piece still there? Aligning the rotor with the housin is great, but that assumes you have dropped the dist in correctly on the correct tooth. If you drop it in...
Forum: maintenance & nonperformance 07-09-2018, 07:02 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
If you have consistent steady spark from the...

If you have consistent steady spark from the coil, that really only leaves the dist timing or cap/rotor.
Forum: maintenance & nonperformance 07-09-2018, 06:43 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
You need power to the coil key on. That's what...

You need power to the coil key on. That's what the wire does.

Do you have steady spark coming out of the coil itself? A test light between coil negative and ground works great too.
Forum: maintenance & nonperformance 07-09-2018, 04:53 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
Did you have the dist pulled out? Is it timed...

Did you have the dist pulled out? Is it timed correctly?
Forum: maintenance & nonperformance 07-09-2018, 02:47 PM
Replies: 51
Views: 1,146
Posted By ZVOLV
Did you put the flywheel on correctly?

Did you put the flywheel on correctly?
Forum: maintenance & nonperformance 07-09-2018, 02:17 PM
Replies: 9
Views: 908
Posted By ZVOLV
O2 sensor won't cause a no start. It is ignored...

O2 sensor won't cause a no start. It is ignored until coolant is warmed up.

Unplug the MAF and see if it runs.
Forum: maintenance & nonperformance 07-06-2018, 10:53 PM
Replies: 16
Views: 694
Posted By ZVOLV
Or tired bottom end. Don't these cars have PCV...

Or tired bottom end. Don't these cars have PCV problems?
Showing results 1 to 50 of 300

 
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