Question about 1994 Chevrolet Lumina APV

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I have a 94 Chevy Lumina Van with the 3.8 liter. The Data Link Connector below the dash on the drivers side well trying to run codes and the top right hole has a contact but the one next to it is empty could it be shoved behind or where does this wire lead too.

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Bottom left it is upside down! good luck

Posted on Sep 16, 2009

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3 Answers

Where is the diagnostic plug located on a 1994 pontiac sunbird? I want to use a snap-on scanner but can't find a plug.


Hi, your 94 model is not OBD2 compliant. You would need an OBD1 scanner to pull the codes. The connector should be under the dash. There is a manual code extraction procedure I have pasted below. Please let me know if you have more questions, and thanks for using FixYa.

On 1983-94 models, the ALDL connector or Data Link Connector (DLC), located under the dash, and sometimes covered with a plastic cover labeled DIAGNOSTIC CONNECTOR, can be activated by grounding test terminal B . The terminal is most easily grounded by connecting it to terminal A (internal ECM ground), the terminal to the right of terminal B on the top row of the ALDL connector. Once terminals A and B have been connected, the ignition switch must be moved to the ON position with the engine not running.
  1. Turn the ignition switch OFF .
  2. The Service Engine Soon or Check Engine light should be flashing. If it isn't, turn the ignition OFF and remove the jumper wire. Turn the ignition ON and confirm that light is now on. If it is not, replace the bulb and try again. If the bulb still will not light, or if it does not flash with the test terminal grounded, the system should be diagnosed by an experienced driveability technician. If the light is OK, proceed as follows.
  3. The code(s) stored in memory may be read either through counting the flashes of the dashboard warning lamp or through the use of a hand-held scan tool. If using the scan tool, connect it correctly to the ALDL.
  4. After the terminals are connected, turn the ignition switch to the ON position, but DO NOT start the engine. The dash warning lamp should begin to flash Code 12. The code will display as one flash, a pause and two flashes. Code 12 is not a fault code. It is used as a system acknowledgment or handshake code; its presence indicates that the ECM can communicate as requested. Code 12 is used to begin every diagnostic sequence. Some vehicles also use Code 12 after all diagnostic codes have been sent.
  5. After Code 12 has been transmitted 3 times, the fault codes, if any, will each be transmitted 3 times. The codes are stored and transmitted in numeric order from lowest to highest.

The order of codes in the memory does not indicate the order of occurrence.
  1. If there are no codes stored, but a driveability or emissions problem is evident, the system should be diagnosed by an experienced driveability technician.
  2. If one or more codes are stored, record them. Refer to the applicable Diagnostic Code chart in this section.
  3. Switch the ignition OFF when finished with code retrieval or scan tool readings.

Mar 26, 2011 | 1994 Pontiac Sunbird

1 Answer

How do i access the engine code that pertains to a 1987 g-20 van, I can't find a two prong connector under the passenger dash but a multi prong female plug is next to the hood release driver's side


The connector is under the dash panel in front of the driver, it is called the ALDL connector, it is not a two prong connector, it has 12 cavities, you jump the upper two on the right of the connector shell, see picture below.

With key off use a paper clip and touch together the top right 2 connectors on the diagnostic link connector. Then turn key on, it should flash once pause then flash twice, that is a 12, it will flash that 3 times that is normal, then it will flash any codes set 3 times each then return to 12 when done.
The OBD Diagnostic Link Connector is located: Front seating area, driver side, driver side of steering column, mounted behind dash upper panel to the left side of the steering column




emissionwiz_54.jpg

Dec 07, 2010 | 1987 Chevrolet G20

1 Answer

I just changed the plugs and wires on a 94 Chevy lumina van.after doing so it didn't idle right and skips. I thought it was maybe the spark plug wires but I can't find the order for this van. It has the...


Here is the firing order for the 1994 Chevrolet Lumina APV Van with a 3.1 Liter engine with a distributor, and the 3.8 liter engine had the coil packs, and let me know if you need any help to understand this diagram, or if you require any further assistance.


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Oct 19, 2010 | 1994 Chevrolet Lumina APV

1 Answer

I need a diagram for a 94 chevy lumina.. plugs and wires


here you go:


http://www.webanswers.com/automobiles/maintenance-repairs/1994-chevy-lumina-apv-3-1-liter-firing-order-c658de

Oct 16, 2010 | Chevrolet Lumina Cars & Trucks

3 Answers

What is the firing order for a 3.1 93 chevy lumina?


1-2-3-4-5-6 The odd cylinders 1-3-5 are on the firewall side, the even cyl. are out to the radiator. Number 1 cylinder is the pulley side. b3938e0.jpg

Apr 24, 2010 | 1993 Chevrolet Lumina

2 Answers

How do i get the turn signal flasher out of my 1995 chevy lumina


Should just plug in (2 prongs) Not sure if you have Lumina van (on firewall just left of steering column under instrument panel) or sedan/coupe (driver side under dash, on passenger side of steering column)

Apr 24, 2009 | 1995 Chevrolet Lumina

1 Answer

Replacement door keys for a 94 chevy lumina mini van


hi thee the easiest way to get these is call the dealer and go in you will have to prove that you own the vehicle

from the vehicle vin number they can get you a new set of keys
i have done this personnely

Mar 09, 2009 | 1994 Chevrolet Lumina APV

2 Answers

Passenger window on 94 lumina van


If all the other windows work when the passenger window won't move (during the 5 min period), then the passenger side motor is bad. If the motor pulls too much amperage, the circuit breaker that is built into the motor will trip, until it cools down.

Mar 08, 2009 | 1994 Chevrolet Lumina APV

3 Answers

Fuel filter


On your 1995 Chevrolet Truck Lumina Van 3.8L SFI OHV , the Fuel Filter is located: clearpixel.gif Under vehicle, driver side, below seating area, front of fuel tank, mounted on chassis in fuel line
THanks for using FixYa - a FixYa rating is appreciated!!

Feb 20, 2009 | 1995 Chevrolet Lumina Apv

1 Answer

1996 Chevy Lumina EGV Valve Replacement


I believe you mean the EGR valve

If this is a 3.1 Liter,..it's located on the drivers side, on top of the engine. It's bolted down with (2) bolts, mounted vertically, and has a wiring harness attached to the top of it. It has a black plastic top,circular in shape, about 4 inches tall. After removing it, invert to show underside & try cleaning the orifice (with the recessed screw) with a soft brass brush & carb' cleaner....to remove the carbon build-up which causes poor running & "service engine soon" light to display. If carefully removed, the gasket can be re-used,..if it gets damaged, one can be purchased at a automotive parts supply.

If you plan on doing a lot of your own work on this van, I suggest buying a Haynes or a Chilton Manual from a local car parts store for you van, they can give you instructions on everything

Oct 21, 2008 | 1996 Chevrolet Lumina Mini

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