How do you read the engine code on a Volvo 240?
Pull the lid off the box, and you’re presented with six sockets, a diagnostic probe, an LED and a button: With the ignition turned off, insert the probe into socket 2 (to read codes from the fuel ECU) or socket 6 (to read codes from the EZK). Turn the ignition to key position 2 without starting the engine.
What to do if your Volvo 240 wont start?
If you encounter a intermittent or no start issue on your 240, you can often get going again by simply spinning the fuses in their holders, which reestablishes electrical contact.
Where is the EZK located on a Volvo 240?
ECU: the Engine Control Unit, which is a computer located on the right of the driver’s side footwell. this computer controls fuel delivery to the engine. EZK: a smaller ECU located on the passenger side firewall that controls spark timing for the engine. Right, so you’ve go the dreaded lambda light illuminated on your dash.
Where is the ECU on a Volvo 240?
ECU: the Engine Control Unit, which is a computer located on the right of the driver’s side footwell. this computer controls fuel delivery to the engine. EZK: a smaller ECU located on the passenger side firewall that controls spark timing for the engine.
How to change ignition system on Volvo B234?
B234 Engines [Jeff Saeger] Removing the cap and rotor with nearly zero clearance: Remove the wires from the cap; this gives more room and allows space for the screws to clear the head when the cap comes off. Make a drawing or mark so you get them back on correctly.
How to make an ignition system for a Volvo?
A neon bulb, NE-2 About 15′ of light-gauge stranded wire (insulated, of course) An alligator clip A collection of heat shrink tubin Connect a 3-4′ piece of wire to one lead of the neon bulb. Insulate the solder connection with heat shrink. Attach the alligator clip to the other end of the wire. This is your GROUND WIRE.
What causes an ignition switch to fail in a Volvo?
Hall Switch Distributor Connector Distributor R&R and Shaft Seal Replacement Engine Hesitates When Humid Distributor Shaft Wear Ignition Amplifier (Power Stage) Failure Engine Cuts Out; Tach Drops Failure to Start; Flywheel Sensor Bad Timing Unstable; Harmonic Balancer Failing
What are the diagnostic codes for a Volvo?
For all models and ages of Volvo cars VOC Home | FAQ Home Engine and OBD Diagnostic Codes Engine and OBD Diagnostic Codes PDF Fuel Injection and Ignition Diagnostic Procedures in LH-Jetronic 2.4+, Regina, and EZK 116/REX 1 Fault Code Tables:Bosch LH2.4 Fuel Injection Fault Codes Fault Code Tables: Bosch Motronic 1.8 Fuel Injection Fault Codes
Can a generic OBD reader be used on a 1996 Volvo?
Unfortunately, you cannot use a generic code reader on any of these OBD-I cars: you have to manually extract the codes from the systems as noted below. 1996+ cars have the entirely different OBD-II system which requires a computerized code scanner to read codes through a special data link.
What is the Volvo diagnostic code for 1998?
Same with 1998 model year Volvos, like S70, V70 and XC70 models. Then after that, codes expanded from the OBD-II to include Volvo-specific codes that OBD-II readers cannot retrieve, although many overlap in meaning.
Where are the diagnostic codes on a Volvo 940?
940 cars have two boxes: “A” and “B”; the former is used for engine diagnostics and ABS; the latter for SRS and cruise control. If fault codes related to the emission system are registered, the “Check Engine” lamp on the instrument panel is lit. The test cable is mounted to the side of A. There are three OBD diagnostic test modes (DTM): DTM 1.