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Forum: maintenance & nonperformance 09-10-2019, 09:51 PM
Replies: 5
Views: 511
Posted By 84B23F
If fuel is entering combustion chambers, and it...

If fuel is entering combustion chambers, and it has spark, then timing belt has slipped, or Cam sprocket is spinning on cam shaft (busted key).
Forum: maintenance & nonperformance 09-07-2019, 01:46 PM
Replies: 43
Views: 4,259
Posted By 84B23F
Correction Made - "Tach Test - Remove wire(s)...

Correction Made - "Tach Test - Remove wire(s) going to positive side of coil and tape them so they don't ground out, and hook a direct wire from the battery to this coil's post."
Forum: maintenance & nonperformance 09-06-2019, 11:08 PM
Replies: 43
Views: 4,259
Posted By 84B23F
Tach Test - Remove wires going to positive side...

Tach Test - Remove wires going to positive side of coil and tape them so they don't ground out, and hook a direct wire from the battery to this coil's post. Each vehicle requires a coil designed for...
Forum: maintenance & nonperformance 09-06-2019, 01:45 PM
Replies: 43
Views: 4,259
Posted By 84B23F
"At full throttle...

"At full throttle (https://www.saabnet.com/tsn/faq/lhoverview.html), manifold pressure is close to barometric, so the fuel pressure gauge reads about 2.5 bar (36 psi). At idle, absolute pressure in...
Forum: maintenance & nonperformance 09-04-2019, 09:12 PM
Replies: 14
Views: 764
Posted By 84B23F
I'd like to see supporting data on this topic,...

I'd like to see supporting data on this topic, for the typical motorist.

IIRC, when extreme horsepower is used for extended periods (think motorsports), synthetics will do better with...
Forum: maintenance & nonperformance 09-04-2019, 08:01 AM
Replies: 14
Views: 764
Posted By 84B23F
Class 8 semi-truck engines are capable of one...

Class 8 semi-truck engines are capable of one million miles between overhauls, using mineral oils...been that way for some thirty plus years.

If an older engine needs a higher level of ZDDP, then...
Forum: maintenance & nonperformance 09-03-2019, 10:35 PM
Replies: 17
Views: 1,033
Posted By 84B23F
For city environments mainly...smaller diameter...

For city environments mainly...smaller diameter tires, and/or re-gearing rear end will increase fuel economy a pinch.

Previous owner, not the flipper, of my 1990-244 put smaller diameter tires on,...
Forum: maintenance & nonperformance 09-03-2019, 10:00 PM
Replies: 14
Views: 764
Posted By 84B23F
Well, Woolly Booger...

Well, Woolly Booger (https://boards.fool.com/what-does-wooly-booger-mean-30726036.aspx?sort=whole), or Woolly Bully (https://www.youtube.com/watch?v=KZJiGu6Gz8E)...what you got to support your...
Forum: maintenance & nonperformance 08-31-2019, 05:08 PM
Replies: 14
Views: 764
Posted By 84B23F
Mobil 1™ FS 0W-40...

Mobil 1™ FS 0W-40 (https://mobiloil.com/en/faq/ask-our-auto-experts/questions-for-auto-experts/mixing-motor-oil-to-reach-the-right-zddp-level-for-classic-cars) already contains a higher level of ZDDP...
Forum: maintenance & nonperformance 08-31-2019, 09:38 AM
Replies: 17
Views: 1,033
Posted By 84B23F
Stop and go consumes the fuel....I'm looking...

Stop and go consumes the fuel....I'm looking ahead at traffic lights, and attempt to keep vehicle moving. I'm not running AC, which also assists in lower fuel consumption.


JANUARY 11, 2018 ...
Forum: maintenance & nonperformance 08-31-2019, 09:22 AM
Replies: 14
Views: 764
Posted By 84B23F
Jan 1, 2002 - "No matter how good a synthetic oil...

Jan 1, 2002 - "No matter how good a synthetic oil may be (http://www.superchevy.com/how-to/0201gmhtp-synthetic-motor-oil/) when fresh, any engine oil will gradually accumulate combustion blow-by and...
Forum: maintenance & nonperformance 08-30-2019, 09:58 PM
Replies: 5
Views: 417
Posted By 84B23F
Engine is not loaded.... So, pull off...

Engine is not loaded....

So, pull off injector electrical harness, one at a time...engine running, emergency brake on with blocks on wheels, and in gear.

Do the same with spark wires...might...
Forum: maintenance & nonperformance 08-30-2019, 09:50 PM
Replies: 14
Views: 764
Posted By 84B23F
Dino oil is best for engines with...

Dino oil is best for engines with blow-by...synthetics are not good..they break down.


> zinc (or very much anyway) in them

I know one brand has zinc included...
Forum: maintenance & nonperformance 08-30-2019, 09:44 PM
Replies: 17
Views: 1,033
Posted By 84B23F
93-944 Rex-I/Regina with AW71L....below 45mph,...

93-944 Rex-I/Regina with AW71L....below 45mph, RPM will drop when coasting (foot off throttle)....one can get around 25mpg city, if vehicle kepts moving with soft accelerations and light footed...
Forum: maintenance & nonperformance 08-27-2019, 05:43 PM
Replies: 43
Views: 4,259
Posted By 84B23F
"You don't really need the 750 ohm resistor, and...

"You don't really need the 750 ohm resistor, and its value certainly isn't critical to the function; just protects the LED if you drop the ECU end of the probe on a ground."
Forum: maintenance & nonperformance 08-27-2019, 05:35 PM
Replies: 43
Views: 4,259
Posted By 84B23F
Led Test Light 999 5280...

Led Test Light 999 5280 (http://forums.turbobricks.com/showthread.php?t=155526)
Forum: maintenance & nonperformance 08-27-2019, 01:51 PM
Replies: 43
Views: 4,259
Posted By 84B23F
Never owned a vehicle with LH 2.2, but on...

Never owned a vehicle with LH 2.2, but on schematic, the throttle position sensor (TPS) switch has a wire for "Idle Speed Adjustment Point." TPS does have a wire going to Chrysler box.

SEE:...
Forum: maintenance & nonperformance 08-26-2019, 06:31 PM
Replies: 10
Views: 862
Posted By 84B23F
1. Lack of Integrated Maintenance Processes . ...

1. Lack of Integrated Maintenance Processes
.
.
Forum: maintenance & nonperformance 08-22-2019, 10:16 PM
Replies: 43
Views: 4,259
Posted By 84B23F
Timing would be controlled via Chrysler...

Timing would be controlled via Chrysler Box....I'd have to review its pin-out, but if it is "aware" of engine temperature, this can change timing, or if LH 2.2 is "talking" to it.

Timing is...
Forum: maintenance & nonperformance 08-21-2019, 10:39 PM
Replies: 10
Views: 862
Posted By 84B23F
Generally, when a condenser fails...no go ...

Generally, when a condenser fails...no go

RE: strange popping

Pops are related mostly to a lean mixture, or timing SNAFU.

With a vac distributor, at base idle with vacuum line removed and...
Forum: maintenance & nonperformance 08-18-2019, 08:08 PM
Replies: 104
Views: 83,656
Posted By 84B23F
There are older posts that cover K-Jet...

There are older posts that cover K-Jet issues....having pressure gauges are a given.
Forum: maintenance & nonperformance 08-08-2019, 09:40 PM
Replies: 7
Views: 800
Posted By 84B23F
Might try this:...

Might try this: https://www.ebay.com/itm/NEW-MASS-AIR-FLOW-SENSOR-METER-MAF-FOR-1992-1995-VOLVO-960-2-9L-LANCIA-KAPPA-TH/172744646254?epid=153567881&hash=item2838621e6e:g:h6UAAOSwQFNb7YgO

I assume...
Forum: maintenance & nonperformance 08-08-2019, 09:16 PM
Replies: 1
Views: 393
Posted By 84B23F
See this video:...

See this video: https://www.youtube.com/watch?v=p5DJTw1EWNs

Volvo used GM pumps for years...I don't know which pump your vehicle uses
Forum: maintenance & nonperformance 08-04-2019, 11:56 AM
Replies: 43
Views: 4,259
Posted By 84B23F
1985 LH 2.2's knock sensor was specific to...

1985 LH 2.2's knock sensor was specific to Vehicle Fitment: Volvo: 242 1983-84 | 244 1983-88 | 245 1983-88. ...Volvo 1317296...$125.00 @ IPD...
Forum: maintenance & nonperformance 07-27-2019, 08:12 PM
Replies: 43
Views: 4,259
Posted By 84B23F
I've been out of town for a week.... If...

I've been out of town for a week....

If knock sensor is working...ask others how to test...one might set timing to 15°

IGN-MOD's vacuum sensor appears to be shot, if this Volvo test indicates...
Forum: maintenance & nonperformance 07-27-2019, 07:59 PM
Replies: 5
Views: 705
Posted By 84B23F
Click on link below

Click on link below
Forum: maintenance & nonperformance 07-20-2019, 04:19 PM
Replies: 43
Views: 4,259
Posted By 84B23F
I'd have to visually look, but on throttle body,...

I'd have to visually look, but on throttle body, there may be two ports...one for emission, and the other for IGN-MOD. When engine is at base idle, there should not be a vacuum on IGN-MOD's port on...
Forum: maintenance & nonperformance 07-19-2019, 01:38 PM
Replies: 43
Views: 4,259
Posted By 84B23F
An auto supply might have a brake bleeder kit...

An auto supply might have a brake bleeder kit that is loaned out, which might have a hand held vacuum pump.

A vacuum gauge can measure the fitness of vacuum line from intake to IGN-MOD, when...
Forum: maintenance & nonperformance 07-18-2019, 10:07 PM
Replies: 43
Views: 4,259
Posted By 84B23F
Question is was the same vacuum at ignition...

Question is was the same vacuum at ignition module as there was at its source (aka intake manifold)? In other words, is the vacuum line from intake to ignition module "fit for duty."

One more...
Forum: maintenance & nonperformance 07-17-2019, 12:00 AM
Replies: 43
Views: 4,259
Posted By 84B23F
Did you see photo I posted? At 1500 RPM,...

Did you see photo I posted?

At 1500 RPM, remove vacuum line, and stick your tongue on it...does it suck?

Using timing light, at 1500 RPM, remove vacuum line, does timing change?
Forum: maintenance & nonperformance 07-03-2019, 11:38 PM
Replies: 6
Views: 623
Posted By 84B23F
1. ID Transmission....is it a AW70, or a AW70L ...

1. ID Transmission....is it a AW70, or a AW70L

2. See JohnMc post
Forum: maintenance & nonperformance 07-03-2019, 01:48 PM
Replies: 11
Views: 781
Posted By 84B23F
Watch Video:...

Watch Video: https://www.youtube.com/watch?v=pfigoTNDgnA
Forum: maintenance & nonperformance 07-03-2019, 08:43 AM
Replies: 9
Views: 637
Posted By 84B23F
Ohm spec is how its tested....if LH is not seeing...

Ohm spec is how its tested....if LH is not seeing temp sensor (aka bad wire), engine will run rich. It needs to be tested at LH harness that plugs into LH box.

LH Unit - I've never opened up my...
Forum: maintenance & nonperformance 07-02-2019, 11:38 PM
Replies: 11
Views: 781
Posted By 84B23F
I think a pre-amp signal was sent to amp....iirc....

I think a pre-amp signal was sent to amp....iirc.

See the links provided...
Forum: maintenance & nonperformance 07-02-2019, 11:30 PM
Replies: 9
Views: 637
Posted By 84B23F
LH-2.0's temp sensor most likely needs to be...

LH-2.0's temp sensor most likely needs to be checked...as they get out of specs, your fuel burn will increase.

Do you have Volvo Service Manual (LH-Jetronic II B23F 240 1983-1984, TP 30427/1)???
...
Forum: maintenance & nonperformance 07-02-2019, 11:06 PM
Replies: 11
Views: 781
Posted By 84B23F
Footnote - Newer radios tend to outperform...

Footnote - Newer radios tend to outperform vintage Volvo radios...
Forum: maintenance & nonperformance 07-02-2019, 11:05 PM
Replies: 11
Views: 781
Posted By 84B23F
There is a way, but one will have to find the...

There is a way, but one will have to find the right connectors....there are different DIN plugs...just some URLs below...nothing specific

https://www.discountcarstereo.com/aih-vol.html

...
Forum: maintenance & nonperformance 07-02-2019, 04:17 PM
Replies: 43
Views: 4,259
Posted By 84B23F
I would set timing light to ZERO, and look for...

I would set timing light to ZERO, and look for 12° mark on timing cover. 750 RPM..warm engine...stable idle

See this photo
(https://i.imgur.com/V6eZ1HC.jpg)
Forum: maintenance & nonperformance 07-01-2019, 09:28 PM
Replies: 43
Views: 4,259
Posted By 84B23F
With vacuum line disconnected, fuel rail would be...

With vacuum line disconnected, fuel rail would be at max pressure...say 36psi or so on LH-2.2. Without knowing rail pressure, off hand, your main pump is weak, or FPR is by-passing.

Test - ...
Forum: maintenance & nonperformance 07-01-2019, 06:49 PM
Replies: 43
Views: 4,259
Posted By 84B23F
I bought a new one some five years ago, and then...

I bought a new one some five years ago, and then hit a deer in my 1984-244. I rebuilt B23F engine, and installed it in 1993-944, and still have this FPR.

Do the test I suggested first....but if...
Forum: maintenance & nonperformance 06-30-2019, 11:13 PM
Replies: 43
Views: 4,259
Posted By 84B23F
Quick Test - Remove vacuum line from FPR....plug...

Quick Test - Remove vacuum line from FPR....plug vacuum line so it does not suck air...start engine, and take a test drive.

Pop noise, and your other comment suggests a lean mixture.

Note - If...
Forum: maintenance & nonperformance 06-27-2019, 08:23 AM
Replies: 40
Views: 2,015
Posted By 84B23F
Stuart Hilborn (9 October 1917 – 16 December...

Stuart Hilborn (9 October 1917 – 16 December 2013) (https://en.wikipedia.org/wiki/Stuart_Hilborn)...automotive engineer...sell his injection systems to the public, which became popular with the hot...
Forum: maintenance & nonperformance 06-26-2019, 11:06 PM
Replies: 40
Views: 2,015
Posted By 84B23F
Air density will change as a function of...

Air density will change as a function of temperature changes....regardless of which AMM position is used, I would wrap with high-temp Aerogel on intake side there where high engine heat exists. ...
Forum: maintenance & nonperformance 06-26-2019, 06:29 PM
Replies: 40
Views: 2,015
Posted By 84B23F
I suspect air density, intake pipe, or a turbo...

I suspect air density, intake pipe, or a turbo glitch is related...if not turbo or intake pipe, with variations in air temperatures passing thru AMM, this might explain this: "...under very light...
Forum: maintenance & nonperformance 06-26-2019, 01:37 PM
Replies: 40
Views: 2,015
Posted By 84B23F
Yeah, Yeah, been listening to Mickey Mouse, I...

Yeah, Yeah, been listening to Mickey Mouse, I see...Wrap it with Aerogel

http://www.jetsongreen.com/2010/02/aerogel-ultra-thin-super-insulation.html
...
Forum: maintenance & nonperformance 06-25-2019, 10:10 PM
Replies: 30
Views: 1,530
Posted By 84B23F
Maybe get some LED lights setup vertically on...

Maybe get some LED lights setup vertically on dash, and hooked to various power outputs from relays. Then, you will know if your good to go, when these LEDs are lit up:-)
Forum: maintenance & nonperformance 06-25-2019, 10:02 PM
Replies: 40
Views: 2,015
Posted By 84B23F
Great News....Check Timing....physically.

Great News....Check Timing....physically.
Forum: maintenance & nonperformance 06-25-2019, 08:32 PM
Replies: 40
Views: 2,015
Posted By 84B23F
1. Remove TPS connector 2. JB weld that...

1. Remove TPS connector

2. JB weld that wastegate closed so it doesn't move

3. Check brake booster fitness.
Forum: maintenance & nonperformance 06-25-2019, 02:46 PM
Replies: 40
Views: 2,015
Posted By 84B23F
I assume your brake booster if fit for...

I assume your brake booster if fit for duty...removing its hose from intake and plugging intake vacuum port eliminates this possibility.
Forum: maintenance & nonperformance 06-25-2019, 02:37 PM
Replies: 40
Views: 2,015
Posted By 84B23F
O2 & AMM sensors affect fuel stoic. If no intake...

O2 & AMM sensors affect fuel stoic. If no intake air leaks, AMM might be a suspect.

I have no idea how Bosch's ECU processes inputs...is AMM its first priority, or O2.

On earlier GMs,...
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