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My hardback Bentley has no references to the OBD-I system at all.

Thanks, this video helped me a lot. I have a problem, by testing function number two described at minute 4.18 my led does 3-3-2 and not like yours which does 3-3-3. Could it be that the TPS is faulty?

ECU will not self diagnose. ECU Doesn't enter test mode.

The video is too blurry to see what pages in the Bentley Bible he is talking about. It would help a great deal if you would tell us what pages to go to to see what you are talking about.

Great resource for 240 guys! Thanks for posting this .

Excellent information ,very good explanation,you teach very good .Thank you so much.for your time

Awesome tutorial☝🏽👌👍👏🏿

2.3

Thank you very much, I’ve had my Volvo for 7 years and I have never found any info this detailed.

122 its not a engine, but a type of volvo Amazon, B18,B20.its a engine

Have you full trotle of the caburator then, have too correct test...and heat engine....

Priceless ! Thank you 🙏 Fouth. Street garage

July 2021: I just bought a '90 240DL wagon, and this video is a great resource, thank you.

Will detect a bad brake booster ?

I change my rear diff sensor and new connector and now speedometer don't work .

These "diagnostics" are useless. My car had no error codes yet it was not starting. Cranked well but would not start due to lack of spark.

Volvo dealer wanted 1300.00 to fix my Volvo. My Dad watched this and got a code and fixed my Volvo for 128.00. Thx Pal !

Will this work for a 940 turbo?

can i do the same on my 1995 940 B230FK...

so i did the injector test, light flashed injectors didnt pulse, the start fuel and the idle valve worked so i knw the test is working

How do you check an 87 Volvo GLE 240 check engine light is on car sputtering and stalling out and dying when you step on gas can't find OBD1 box to check engine light search under hood and dash

God bless you my son.

Excellent, wish I knew about it before I bought a throttle position sensor. who knew volvo would go into limp mode when tps came loose while driving...

I was excited about this until I remembered I traded the '89 in for an '88. What do we do for diagnostics on pre '89 models?

Will this work for my 740?

I wish you could provide written instructions in how to do it. I think you vid is great, however I can't follow it when Im working on my car

my 89 240 wagon does not have a schrader valve on the fuel rail. how and where do i connect a pressure guage to check fuel pressure? thanks for your guidance.

Can i do the same in my volvo 940 2.0 turbo?

Same paper clip jumper on diag plug for swedish 1992-94 Saab 900 models.

Why do you disconnect the coil if all the spark plugs are out? It can't fire up anyway?

So what was this car's issue?

can you test the fuel pressure if the car cranks but wont start? I have a 1990 240 that has spark but no fuel getting to the plugs, fuel relay clicks and the fuel pump hums so now I need to figure out where the fuel is being stopped up

Just used this to fix my car, thanks.

3:08 , you might want to check your right engine mount

So, random question, but does this same procedure also work for the 740 gl models? If so then that is awesome!

Thank you! You are my hero! Expect some questions from me soon.

Thanks, your 240 self diagnostic tests was most informative. Didn't understand how to perform the input tests. Now I do. That brings me to a question regarding my 92 240 wagon, 3.2 system. When testing the TPS sensor I get a code 332, not 333. Checking the idle switch gives a code 332. Any ideas? Also, re: your next batch of mead. Pasteurize the honey. There's a lot of stuff in there that can inhibit proper fermentation. Remember also that a low attenuating yeast should make for a sweeter mead than will one with high attenuation.

I have the same car, and I have a problem that I can't seem to track down. It's running really badly, (chugging and very little power) The engine code says it's lean at part load, so I replaced the MAF sensor, the fuel pressure gauge, and I've already replaced the in-line fuel pump and fuel filter. I'm thinking about replacing all the vacuum lines, the coolant temp sensor, and the in-tank fuel pump. Do any of those sound like a likely solution, or do you have any thoughts on what the issue might be?

Awesome, keep videos coming!

Awesome, keep videos coming!

mmmm bodingtons

Just what i was looking for. Thanks

Hello there gents. I have a question about doing the clutch on my 92 240 wagon. Whats the best way the get the drive line off? Im having all kinds of problems with it right now.

What test port? Where did you hook the gauge up at?

Use a centrifugal advance distributor instead - most of the earlier 122's had them. No need for a vacuum advance distributor.

Good to see someone using Bosch spark plugs in their 122. People rave about NGK's, like they're better than all others. Truth is, NGK is no better than any other brand. Bosch W7BC's (copper) and WR7BP's (platinum) work great in these cars. Even Champion L87YC's work fine in these engines.

That's like discovering a gold mine in my car. Thank you very much!

Great guide, will help me a lot on my 142.

you can delete anny code and reset det system

He ended up replacing the check valve on the main fuel pump. Even though the residual pressure checked out when we made the video, that was, apparently, the problem. He hasn't had the hot start issue occur since he replaced it. We can only assume that the check valve was sticking intermittently. Good luck with your Volvo. Keep it rolling!