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Search: Posts Made By: 84B23F
Forum: maintenance & nonperformance Yesterday, 05:35 PM
Replies: 17
Views: 701
Posted By 84B23F
Potential parts for the V6 PRV Parts' Cannon...

Potential parts for the V6 PRV Parts' Cannon...
Forum: maintenance & nonperformance Yesterday, 12:32 PM
Replies: 17
Views: 701
Posted By 84B23F
On a CIS DeLorean, that would be a THERMOTIME...

On a CIS DeLorean, that would be a THERMOTIME switch (https://store.delorean.com/c-270-1-3-0-water-pump.aspx)...iitem #24 (https://store.delorean.com/p-6265-switch-thermotime.aspx).
Forum: maintenance & nonperformance Yesterday, 05:51 AM
Replies: 17
Views: 701
Posted By 84B23F
Not quite...that CTS has not been evaluated in...

Not quite...that CTS has not been evaluated in years/years....nor has its terminals been cleaned up with spray contact cleaner.

OP: With LH 2.2, there should be new CTSs available
Forum: maintenance & nonperformance 12-01-2020, 09:44 PM
Replies: 17
Views: 701
Posted By 84B23F
Footnote - If there is a cold start injector,...

Footnote - If there is a cold start injector, then that circuit/injector needs to be evaluated.
Forum: maintenance & nonperformance 12-01-2020, 09:21 PM
Replies: 17
Views: 701
Posted By 84B23F
Bosch LH-Jetronic 2.2 fuel injection....most...

Bosch LH-Jetronic 2.2 fuel injection....most likely then CTS
Forum: maintenance & nonperformance 12-01-2020, 06:06 PM
Replies: 17
Views: 701
Posted By 84B23F
RE: firing the parts cannon Replace coolant...

RE: firing the parts cannon

Replace coolant thermostat and coolant temperature sensor...Current CTS has been in there for "ages."
Forum: maintenance & nonperformance 12-01-2020, 03:51 PM
Replies: 17
Views: 701
Posted By 84B23F
Footnote - If your thermostat is open, it should...

Footnote - If your thermostat is open, it should be replaced...this could skew temp readings by ECU.

Also, you most likely found the ECU's temp sensor...
Forum: maintenance & nonperformance 12-01-2020, 03:41 PM
Replies: 17
Views: 701
Posted By 84B23F
Looks like a similar location...

Looks like a similar location (https://www.fierostore.com/Tech/Images/99_51.gif) for a 85-88 Pontiac Fiero...below the thermostat...either for the dash gauge, or for the ECU.

Google for ECU...
Forum: maintenance & nonperformance 11-30-2020, 09:15 PM
Replies: 8
Views: 251
Posted By 84B23F
RE: Florida's heat and humidity. Terminal...

RE: Florida's heat and humidity.

Terminal connections may loose their electrical potential with time...I'd use electrical spray-contact cleaner.

Running lean would not be expected with a CTS...
Forum: maintenance & nonperformance 11-30-2020, 02:05 PM
Replies: 8
Views: 251
Posted By 84B23F
Should be default or learned fuel 'database' in...

Should be default or learned fuel 'database' in ECU.

Learned Database - Based upon AMM/O2 mostly...if AMM/O2 out of specs, then default profile might be used...all depending.
Forum: maintenance & nonperformance 11-30-2020, 01:59 PM
Replies: 8
Views: 251
Posted By 84B23F
FPR - Vacuum drops in suction, and FPR increases...

FPR - Vacuum drops in suction, and FPR increases the fuel rail pressure.
Forum: maintenance & nonperformance 11-30-2020, 12:48 AM
Replies: 11
Views: 325
Posted By 84B23F
Brake booster's vacuum hose to intake - remove at...

Brake booster's vacuum hose to intake - remove at intake, and plug intake port

Higher idle RPM requires this stuff called "AIR," so either throttle plate is allowing it in, or some other entry...
Forum: maintenance & nonperformance 11-30-2020, 12:41 AM
Replies: 11
Views: 325
Posted By 84B23F
I think that 'screw' was common with LH 2.1 and...

I think that 'screw' was common with LH 2.1 and LH 2.2
Forum: maintenance & nonperformance 11-29-2020, 10:42 PM
Replies: 8
Views: 251
Posted By 84B23F
1993 NA 240 with a pinch larger injectors...quick...

1993 NA 240 with a pinch larger injectors...quick cold start, but a rich mixture...so I increase RPMs to prevent stalling...within 60 seconds, LH 2.4 reduces injectors' fuel amounts...engine runs...
Forum: maintenance & nonperformance 11-29-2020, 10:37 PM
Replies: 8
Views: 251
Posted By 84B23F
20 to 60 seconds...

20 to 60 seconds (https://www.nyvip.org/PublicSite/OBDII/oxygen-sensor-heater-monitor.html#:~:text=Non-Continuous%20Monitors&text=The%20heater%20will%20bring%20the,a%20long%20period%20of%20time.)
Forum: maintenance & nonperformance 11-29-2020, 08:47 PM
Replies: 59
Views: 2,415
Posted By 84B23F
They are the best at "KISS," and could be fixed...

They are the best at "KISS," and could be fixed quickly. Earlier bike riders learned the hard way what those new fangled Hall sensors were about when they shot craps...
Forum: maintenance & nonperformance 11-29-2020, 11:04 AM
Replies: 13
Views: 635
Posted By 84B23F
With engine warmed up, was the electrical plug...

With engine warmed up, was the electrical plug removed from IAC, and then engine re-started? Idle did what?

Logic...at idle, several sensor devices (TPS, neutral switch...) could be used to...
Forum: maintenance & nonperformance 11-29-2020, 02:04 AM
Replies: 13
Views: 635
Posted By 84B23F
Ok, two basic differences between 2.4 and...

Ok, two basic differences between 2.4 and 3.1...OP there got the CSV wrong...if a LH 2.4 vehicle had one, it most likely was an earlier model. My 1989 has one, but not the 1993.

RE: "predictive"...
Forum: maintenance & nonperformance 11-28-2020, 01:30 PM
Replies: 13
Views: 635
Posted By 84B23F
RE: "installed a new TPS" I think I lookuped...

RE: "installed a new TPS"

I think I lookuped part number, and this "switch" is applicable to LH 2.4/LH 2.2 and LH 2.1, iirc.

This switch has two functions:

1. WOT - Increases fuel enrichment...
Forum: maintenance & nonperformance 11-28-2020, 09:59 AM
Replies: 13
Views: 635
Posted By 84B23F
Never messed with it, nor read specifics, but its...

Never messed with it, nor read specifics, but its been suggested it has two functions:

1. WOT - Increases fuel enrichment
2. Idle RPM Only

Idle air control actuator (IAC actuator) was designed...
Forum: maintenance & nonperformance 11-27-2020, 09:26 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Fine Point - They can produce...

Fine Point - They can produce (https://www.fierceelectronics.com/sensors/what-a-hall-effect-sensor) either a digital (on and off) or analog (continuous) signal depending on their design and intended...
Forum: maintenance & nonperformance 11-27-2020, 01:08 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Ah yes, very important point: Air Gap ...

Ah yes, very important point: Air Gap

Trigger/stator pole air gap: 0.25mm

ECM is expecting a range of lower/higher voltages to operate...he who screws the air-gap pooch will not be within the...
Forum: maintenance & nonperformance 11-27-2020, 10:20 AM
Replies: 59
Views: 2,415
Posted By 84B23F
Both ignition systems are based upon a "pulse...

Both ignition systems are based upon a "pulse generator," and both designs represent an electronic circuit, where one is analog, and the other digital.

Wiki
1. Pulse generator...
Forum: maintenance & nonperformance 11-26-2020, 02:39 PM
Replies: 59
Views: 2,415
Posted By 84B23F
A Variable Reluctance Sensor might be the correct...

A Variable Reluctance Sensor might be the correct engineering speak. Short read at cite below.

Hall vs. Variable Reluctance Sensors (https://fullfunctioneng.com/info/Hall%20vs%20VR.pdf)

"In...
Forum: maintenance & nonperformance 11-26-2020, 10:42 AM
Replies: 59
Views: 2,415
Posted By 84B23F
???? Is your engine timing specs the same as this...

???? Is your engine timing specs the same as this DeLorean DMC-12 ????

Basic ignition timing: 13+2 degrees BTDC at 775 +50 RPM (vacuum advance disconnected)

Spark advance -- vacuum (at idle...
Forum: maintenance & nonperformance 11-25-2020, 04:17 PM
Replies: 59
Views: 2,415
Posted By 84B23F
I never followed your saga, but this previously...

I never followed your saga, but this previously cite mentioned gives specific timing information required (https://delorean.fandom.com/wiki/Ignition_system), if it applies to your setup. Some of my...
Forum: maintenance & nonperformance 11-24-2020, 11:15 AM
Replies: 59
Views: 2,415
Posted By 84B23F
Footnote - A special coil was used...coil must be...

Footnote - A special coil was used...coil must be of OEM spec. Coils are designed around a specific dwell time interval. If dwell time on coil...
Forum: maintenance & nonperformance 11-23-2020, 11:03 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Footnote - DeLorean DMC-12 is equipped with a...

Footnote - DeLorean DMC-12 is equipped with a Bosch electronic ignition system (https://delorean.fandom.com/wiki/Ignition_system) ...alternating voltage is produced... The pules is transmitted to the...
Forum: maintenance & nonperformance 11-23-2020, 10:46 PM
Replies: 19
Views: 2,184
Posted By 84B23F
Being in LA area, I'd fetch an used rack, and...

Being in LA area, I'd fetch an used rack, and rebuild it....or see if any re-builders exist in your domicile.

Schedule Your Repairs Today
8687 W. Pico Blvd, Los Angeles CA 90035
Forum: maintenance & nonperformance 11-23-2020, 03:10 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Well thx...as noted, I'm 'blind' with respect to...

Well thx...as noted, I'm 'blind' with respect to components used. So if we assume mechanical timing (with stock cams) is spot on, and if fuel injectors' measured flow output at some test point is...
Forum: maintenance & nonperformance 11-23-2020, 12:35 AM
Replies: 17
Views: 701
Posted By 84B23F
As John noted, Coolant temp sensor...ohm spec...

As John noted, Coolant temp sensor...ohm spec it...in vintage GM vehicles, they go rich when they start failing..
Forum: maintenance & nonperformance 11-22-2020, 10:24 AM
Replies: 15
Views: 829
Posted By 84B23F
He might eat 'Fresh' maggots for breakfast:-)

He might eat 'Fresh' maggots for breakfast:-)
Forum: maintenance & nonperformance 11-21-2020, 08:32 PM
Replies: 13
Views: 635
Posted By 84B23F
Footnote - LH 2.4 pinout and LH 3.1 pinout may or...

Footnote - LH 2.4 pinout and LH 3.1 pinout may or may not be the same...I don't have the time to compare, but here is LH 2.4's here...
Forum: maintenance & nonperformance 11-21-2020, 08:27 PM
Replies: 13
Views: 635
Posted By 84B23F
Best I could find here...

Best I could find here (https://i.imgur.com/oYzqQpD.jpg), and I've looked for years for one. Two computer boxes, on left top pic LH 3.1, and right bottom EZK. I'd save this pic OP.

Throttle Body...
Forum: maintenance & nonperformance 11-21-2020, 11:12 AM
Replies: 59
Views: 2,415
Posted By 84B23F
Here's how your keep your Jaguar XK8 Hook...

Here's how your keep your Jaguar XK8

Hook distributor's vacuum-pot's vacuum-line directly to intake manifold, so when checking timing, timing is at full advance...in effect, there is no timing...
Forum: maintenance & nonperformance 11-21-2020, 10:37 AM
Replies: 59
Views: 2,415
Posted By 84B23F
That video seems to be explicit....no gauge was...

That video seems to be explicit....no gauge was used in it...just "for your eyes only." He suggested the manual suggested rotating the crank 120° but this seems to be a way to screw the pooch.
...
Forum: maintenance & nonperformance 11-20-2020, 11:14 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Mike (Owner) of DeLorean Midwest...

Mike (Owner) of DeLorean Midwest (https://www.dmcmidwest.com) could fix it: There is a Knowledge Base at this site (https://support.delorean.com/KB/browse.aspx).
Forum: maintenance & nonperformance 11-20-2020, 10:54 PM
Replies: 59
Views: 2,415
Posted By 84B23F
In distributor days...timing light determines...

In distributor days...timing light determines distributor's final position...I couldn't find timing specs, but 10° BTDC seems reasonable.

Interesting how Crank-CAMs are setup

Video: Delorean...
Forum: maintenance & nonperformance 11-20-2020, 02:58 PM
Replies: 59
Views: 2,415
Posted By 84B23F
He doesn't want all that horsepower...a real fuel...

He doesn't want all that horsepower...a real fuel burner:-)

"PRV came in a variety of displacements (https://ranwhenparked.net/2010/09/14/what-lies-beneath-the-controversial-prv-engine-part-3/)...
Forum: maintenance & nonperformance 11-20-2020, 02:44 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Bring me up to speed here: "The most basic...

Bring me up to speed here: "The most basic (https://ranwhenparked.net/2010/09/14/what-lies-beneath-the-controversial-prv-engine-part-3/) of which was a breaker-type ignition using a single...
Forum: maintenance & nonperformance 11-20-2020, 02:26 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Is this the firing order? So on driver side at...

Is this the firing order? So on driver side at firewall is number one?

1-6-3-5-2-4 (https://www.fixya.com/support/t19289713-want_find_firing_order_1978_peugeot_504)
...
Forum: maintenance & nonperformance 11-20-2020, 10:44 AM
Replies: 59
Views: 2,415
Posted By 84B23F
This test above only shows ignition side works,...

This test above only shows ignition side works, not under compression, which requires more spark energy.
Forum: maintenance & nonperformance 11-20-2020, 10:10 AM
Replies: 59
Views: 2,415
Posted By 84B23F
Spark Timing Advance - This has been tested with...

Spark Timing Advance - This has been tested with hand-held vacuum-pump? Which ignition system was used...Bosch...Pic or OEM-#?

Coil - It must be to OEM specs...81 Rabbit had a fricken hot...
Forum: maintenance & nonperformance 11-20-2020, 02:16 AM
Replies: 59
Views: 2,415
Posted By 84B23F
Considering 1981 VW Rabbit & 1981 262C Bertone...

Considering 1981 VW Rabbit & 1981 262C Bertone Coupe have Bosch CIS in common, and I had injector issues, confirmed, I would not be surprised if both vehicles got similar vintage fuel lines from...
Forum: maintenance & nonperformance 11-19-2020, 12:43 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Footnotes: New "cleansed" fuel lines from...

Footnotes:

New "cleansed" fuel lines from filter to injectors may be required to eradicate this issue.

Of course, lifting up on that "air mass" plate will increase fuel flow. I think a magnet...
Forum: maintenance & nonperformance 11-19-2020, 12:15 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Before Uncle Sam mandated a fuel injection...

Before Uncle Sam mandated a fuel injection cleaner in automotive fuels, I had to use an injector cleaner like Techron Fuel Injector Cleaner in my 1981 VW Rabbit pickup.

Amoco (Standard Oil) was...
Forum: maintenance & nonperformance 11-19-2020, 08:26 AM
Replies: 8
Views: 1,202
Posted By 84B23F
When an upward change in idle RPM happens, extra...

When an upward change in idle RPM happens, extra air entering intake is the culprit.

If throttle plate is returning to its set position, then fat chance it is the issue.

As throttle body wears,...
Forum: maintenance & nonperformance 11-18-2020, 10:39 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Footnote Based Upon LH Jetronic for B21F ...

Footnote Based Upon LH Jetronic for B21F

Earlier models used this FPR
35 psi
0 280 160 214

Later models used
43.5 psi
0 280 160 213
Forum: maintenance & nonperformance 11-18-2020, 10:32 PM
Replies: 8
Views: 1,202
Posted By 84B23F
Silicone grease (dielectric) works just fine via...

Silicone grease (dielectric) works just fine via greasing old gasket.

>PVC

Check vacuum line going to flame-trap. Mine was plugged at intake's port fitting

>throttle body...heard no soft...
Forum: maintenance & nonperformance 11-18-2020, 10:05 PM
Replies: 59
Views: 2,415
Posted By 84B23F
Has it ever run correctly? If mechanicals...

Has it ever run correctly?

If mechanicals are good, then ignition/Fuel is/are the issues.
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