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Forum: maintenance & nonperformance Today, 01:36 AM
Replies: 42
Views: 4,935
Posted By ZVOLV
Injector pulse

Unplug an injector and BACKPROBE a lamp between the two injector terminals. Blink=injector pulse.

If you have no injector pulse AND no spark =you have a rpm signal problem, or the computers lost...
Forum: maintenance & nonperformance Yesterday, 11:49 PM
Replies: 3
Views: 67
Posted By ZVOLV
EZK ignition box is on the pedal bracket. Consult...

EZK ignition box is on the pedal bracket. Consult a wiring diagram. If less than 2 ohms on each wire, end to end, fire a sensor at it. If it comes back, try a EZK box.

I bet it's a dying sensor...
Forum: maintenance & nonperformance Yesterday, 07:24 PM
Replies: 3
Views: 67
Posted By ZVOLV
I have fixed this issue several times. I have...

I have fixed this issue several times. I have about 4 sensors here and only one of them would keep the light off. It was a pipe-mounted one with approx 550 ohms cold. The EGR valve-mounted ones were...
Forum: maintenance & nonperformance Yesterday, 01:34 AM
Replies: 42
Views: 4,935
Posted By ZVOLV
Use that test lamp to check injector pulse. You...

Use that test lamp to check injector pulse. You could hook one end to positive and the other end to the injector control circuit (negative).

You are getting close now that you found a no spark...
Forum: maintenance & nonperformance Yesterday, 01:23 AM
Replies: 42
Views: 4,935
Posted By ZVOLV
Ok, still, power is flowing thru the coil. You...

Ok, still, power is flowing thru the coil. You will have lamp on, with key on, BOTH positive and negative on the coil.

You are getting closer.

You still need to confirm injector pulse. If...
Forum: maintenance & nonperformance Yesterday, 12:34 AM
Replies: 42
Views: 4,935
Posted By ZVOLV
Look at schematics. The EZK doesn't power the...

Look at schematics. The EZK doesn't power the coil.

You should also check for fuel injector pulse when the issue is present.
Forum: maintenance & nonperformance 12-02-2020, 05:09 PM
Replies: 5
Views: 122
Posted By ZVOLV
Is this a concern of an extended crank, or a slow...

Is this a concern of an extended crank, or a slow crank?
Forum: maintenance & nonperformance 12-02-2020, 02:23 PM
Replies: 5
Views: 122
Posted By ZVOLV
It could be sticky valves.

It could be sticky valves.
Forum: maintenance & nonperformance 12-02-2020, 01:54 AM
Replies: 7
Views: 154
Posted By ZVOLV
It sounds like your car has a failed exciter...

It sounds like your car has a failed exciter circuit and somebody has done some "rigging"/tampering.

Got a test lamp? DISCONNECT the exciter wire and see if it illuminates the lamp, key on. If...
Forum: maintenance & nonperformance 12-02-2020, 12:16 AM
Replies: 13
Views: 331
Posted By ZVOLV
Are you checking with the engine running?

Are you checking with the engine running?
Forum: maintenance & nonperformance 12-01-2020, 11:46 PM
Replies: 7
Views: 154
Posted By ZVOLV
Click on the HOME tab in the top left and go to...

Click on the HOME tab in the top left and go to the front page of the website and read the second article.
Forum: maintenance & nonperformance 12-01-2020, 11:39 PM
Replies: 42
Views: 4,935
Posted By ZVOLV
I use the IPD fuel pressure gauge with 90 degree...

I use the IPD fuel pressure gauge with 90 degree fitting on a 1992+ fuel rail.
Forum: maintenance & nonperformance 12-01-2020, 10:25 PM
Replies: 42
Views: 4,935
Posted By ZVOLV
Get a 1992+ fuel rail with a Schrader test valve?...

Get a 1992+ fuel rail with a Schrader test valve?

Carry a can of starting fluid and use when no start?


Carry a timing light for a spark test?
Forum: maintenance & nonperformance 11-28-2020, 11:48 PM
Replies: 5
Views: 205
Posted By ZVOLV
I would replace the terminals. There is probably...

I would replace the terminals. There is probably excessive resistance in the crimps.
Forum: maintenance & nonperformance 11-21-2020, 10:46 PM
Replies: 11
Views: 733
Posted By ZVOLV
Dropping a fuel injector is also safer for the...

Dropping a fuel injector is also safer for the kitty.
Forum: maintenance & nonperformance 11-21-2020, 05:03 PM
Replies: 11
Views: 733
Posted By ZVOLV
Unplug an INJECTOR one at a time to perform a...

Unplug an INJECTOR one at a time to perform a cylinder drop test. Much safer.
Forum: maintenance & nonperformance 11-21-2020, 02:59 PM
Replies: 13
Views: 619
Posted By ZVOLV
You don't ever run fuel into the cabin.

You don't ever run fuel into the cabin.
Forum: maintenance & nonperformance 11-20-2020, 01:56 AM
Replies: 24
Views: 1,449
Posted By ZVOLV
Does it still run, Taz? 240's are known for...

Does it still run, Taz?

240's are known for having poor connections at the fuses. Clean them lightly. Apply dielectric grease.?

They are also known for having windshield water leaks. Inspect...
Forum: projects & restorations 11-20-2020, 01:39 AM
Replies: 98
Views: 21,123
Posted By ZVOLV
How is Santa Barbara? I play disc golf there when...

How is Santa Barbara? I play disc golf there when I go thru.
Forum: maintenance & nonperformance 11-19-2020, 10:21 PM
Replies: 8
Views: 1,215
Posted By ZVOLV
Air leaks are a common issue. Spray around with...

Air leaks are a common issue. Spray around with brake cleaner and see if the idle changes. Another one is misadjusted TPS. Another one is speedometer inop. Idle issues can happen if your speedo is...
Forum: maintenance & nonperformance 11-19-2020, 07:04 PM
Replies: 4
Views: 506
Posted By ZVOLV
Do you have a test lamp and know how to use it?

Do you have a test lamp and know how to use it?
Forum: maintenance & nonperformance 11-18-2020, 05:37 PM
Replies: 16
Views: 834
Posted By ZVOLV
Torn transfer hose in the tank!?

Torn transfer hose in the tank!?
Forum: maintenance & nonperformance 11-17-2020, 03:46 PM
Replies: 8
Views: 724
Posted By ZVOLV
I don't recommend using a shock mounting bolt at...

I don't recommend using a shock mounting bolt at a support point.


My answer is NO!
Forum: maintenance & nonperformance 11-14-2020, 04:32 PM
Replies: 24
Views: 1,449
Posted By ZVOLV
Look at your wiring diagram and determine which...

Look at your wiring diagram and determine which fuse gets power, key on, from the fuel pump relay. You could also do your testing right at the relay.


Key on, test lamp to MAF power wire to...
Forum: maintenance & nonperformance 11-14-2020, 03:03 AM
Replies: 9
Views: 927
Posted By ZVOLV
^^^ yep. That converter is done. You will puke...

^^^ yep. That converter is done. You will puke fluid it you attempt to put that back in. Tolerances are down to the thousandths. Even a slight groove in a TC can cause a leak.

It looks like you...
Forum: projects & restorations 11-14-2020, 12:57 AM
Replies: 98
Views: 21,123
Posted By ZVOLV
Please document the heater core job. I gotta pull...

Please document the heater core job. I gotta pull the dash on my 1991 740 Turbo and fix a few things- noisy blower motor, leaking heater core, clogged evaporator drain, AND losing the dash vents on...
Forum: maintenance & nonperformance 11-13-2020, 09:19 PM
Replies: 10
Views: 873
Posted By ZVOLV
I guess melted wiring/shorted relay by your left...

I guess melted wiring/shorted relay by your left foot.
Forum: performance & modifications 11-12-2020, 04:18 PM
Replies: 4
Views: 968
Posted By ZVOLV
IPD sells solid cam dowel pins.

IPD sells solid cam dowel pins.
Forum: maintenance & nonperformance 11-12-2020, 03:08 PM
Replies: 16
Views: 1,800
Posted By ZVOLV
Cut the old bearings off. Reinstall the...

Cut the old bearings off.

Reinstall the side bearing shim. Press on new side bearings and hope that you are in spec. That's what I would do.

Got an inch/lb torque wrench? Install new pinion...
Forum: maintenance & nonperformance 11-12-2020, 02:53 PM
Replies: 9
Views: 927
Posted By ZVOLV
You can't use a locking torque converter with a...

You can't use a locking torque converter with a non locking trans or vice versa.

And you gotta get the torque converter depth correct on install. THREE clunks. You gotta engage the pump tangs with...
Forum: maintenance & nonperformance 11-12-2020, 02:19 PM
Replies: 16
Views: 1,800
Posted By ZVOLV
Do you have a dial indicator?

Do you have a dial indicator?
Forum: maintenance & nonperformance 11-12-2020, 02:19 PM
Replies: 24
Views: 1,449
Posted By ZVOLV
Do you have a test lamp?

Do you have a test lamp?
Forum: maintenance & nonperformance 11-11-2020, 08:30 PM
Replies: 9
Views: 975
Posted By ZVOLV
TDC, another 90 degrees, then look for the gap...

TDC, another 90 degrees, then look for the gap thru the bottom.
Forum: maintenance & nonperformance 11-11-2020, 07:20 PM
Replies: 20
Views: 1,736
Posted By ZVOLV
The "tissue" method is for finding a compression...

The "tissue" method is for finding a compression stroke for doing a leak down test. Like on a V8 where it's not as easy to figure out as a 4 cyl.
Forum: maintenance & nonperformance 11-11-2020, 04:50 PM
Replies: 24
Views: 1,449
Posted By ZVOLV
Good luck. There are claims that conflict each...

Good luck. There are claims that conflict each other here.
Forum: maintenance & nonperformance 11-11-2020, 02:56 PM
Replies: 24
Views: 1,449
Posted By ZVOLV
You also don't know if one of these...

You also don't know if one of these "electricians" have damaged your electrical terminals by stuffing the incorrect test probes into the terminals.


Does the engine STAY RUNNING if you PULSE...
Forum: maintenance & nonperformance 11-11-2020, 01:17 PM
Replies: 24
Views: 1,449
Posted By ZVOLV
Electrical diag

Do you have power to the injectors? Use a test lamp. Check between the power wire and a GROUND.


Get a wiring diagram.


NO START THREAD: http://forums.turbobricks.com/showthread.php?t=316437
Forum: maintenance & nonperformance 11-11-2020, 03:27 AM
Replies: 11
Views: 1,176
Posted By ZVOLV
You only need ONE port to work on an A/C system....

You only need ONE port to work on an A/C system. I use a machine to do A/C. I bought a $10 adaptor from the part store and screwed it on the back of the compressor. It would only fit on ONE of the...
Forum: maintenance & nonperformance 11-11-2020, 02:18 AM
Replies: 11
Views: 1,176
Posted By ZVOLV
I had a 1990 240 and I just put an adaptor on the...

I had a 1990 240 and I just put an adaptor on the back of the compressor, sucked it down, added 2 oz Ester oil, charged it BY WEIGHT with R134 at approx 80% of the R12 capacity, and had working A/C....
Forum: maintenance & nonperformance 11-10-2020, 04:40 PM
Replies: 24
Views: 1,449
Posted By ZVOLV
What does your scope say? Do you have...

What does your scope say?


Do you have injector pulse?
Forum: maintenance & nonperformance 11-09-2020, 06:01 PM
Replies: 5
Views: 737
Posted By ZVOLV
Worn pivot pin?

Worn pivot pin?
Forum: maintenance & nonperformance 11-09-2020, 12:29 AM
Replies: 25
Views: 1,903
Posted By ZVOLV
Thumbs up A vacuum gauge or exhaust back pressure gauge may...

A vacuum gauge or exhaust back pressure gauge may have revealed this. Good find. That is a tricky one.
Forum: maintenance & nonperformance 11-09-2020, 12:06 AM
Replies: 4
Views: 635
Posted By ZVOLV
TPS won't cause misfires. Air leaks are the...

TPS won't cause misfires.

Air leaks are the most likely cause of a poor idle on and old 940T. I use a an expensive smoke machine to find induction leaks. You can spray around with brake cleaner...
Forum: maintenance & nonperformance 11-07-2020, 11:49 PM
Replies: 11
Views: 1,091
Posted By ZVOLV
Pull the spark plugs and inject an ounce of ATF...

Pull the spark plugs and inject an ounce of ATF and let it soak overnight. It may free it up.
Forum: performance & modifications 11-06-2020, 07:42 PM
Replies: 3
Views: 973
Posted By ZVOLV
It has been thoroughly covered. google ---- ...

It has been thoroughly covered. google ---- site:www.turbobricks.com (enter search term)

A 240 engine bay harness may be cleaner/easier than pulling apart a 740 harness.

It is only 4 or 5...
Forum: maintenance & nonperformance 11-04-2020, 01:01 AM
Replies: 37
Views: 2,507
Posted By ZVOLV
The parts store reman stuff is usually junk and...

The parts store reman stuff is usually junk and doesn't last. I hope you kept your core and didn't turn it in for $10.

You probably just needed to replace the voltage regulator.
Forum: maintenance & nonperformance 11-03-2020, 04:51 PM
Replies: 37
Views: 2,507
Posted By ZVOLV
Glad you got it and thanks for posting back with...

Glad you got it and thanks for posting back with a conclusion.


Were the brushes still OK on the "bad" generator?
Forum: maintenance & nonperformance 11-01-2020, 03:19 AM
Replies: 20
Views: 1,736
Posted By ZVOLV
TIP: do your best to pull up the slack on the...

TIP: do your best to pull up the slack on the "loose side". I have used those black metal paperclips to hold the belt to the sprocket, then tension it up


Never trust the the crank pulley mark....
Forum: maintenance & nonperformance 11-01-2020, 03:05 AM
Replies: 9
Views: 1,179
Posted By ZVOLV
I have dealt with leaks here with overbored...

I have dealt with leaks here with overbored aftermarket junk.

Hepu pump+non corroded pipe----no leak.


I have had to desperately smooge RTV to stop a leak. Lube it first and make sure the...
Forum: performance & modifications 11-01-2020, 02:50 AM
Replies: 52
Views: 17,435
Posted By ZVOLV
Does the GM G80 stuff work on our Volvo stuff?

Does the GM G80 stuff work on our Volvo stuff?
Showing results 1 to 50 of 300

 
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