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Volvo 740 no start

Help and Advice on all Volvo's "mid era" rear wheel drive Volvos.
1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
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Volvo 740 no start

Postby 91volvo740 » 16 Jan 2011, 00:16

Hello everyone!
1991 volo 740, base model, automatic, regina.
I have been reluctant to post here, because I thought I could solve my problem with the seemingly infinite resources available on this forum. Alas.
The story is, as I was driving one day, between twenty and thirty miles an hour down a residential road, my volvo stops running. Suddenly my check engine light goes on and simultaneously my car stalls. It was all I could do to get it to the side of the road before I lost momentum. No start since then. This is what I have done/replaced so far:

1. Timing belt seems ok; I can see the cam shaft spin when the ignition is turned. Also, I can fee air coming out of the tail pipe.
2. I can hear the in tank fuel pump whine as the key turns.
3. I replaced the fule pump relay.
4. The fuel pump fuse is ok.
5. I replaced the distributor cap and distributor rotor.
6. I repaced the ignition coil.
7. Prior to replacing the ignition coil thare was no spark when a spark plug was set near a grounded bolt.
7. I have about a half a tank fo gas.
8. The OBD gave me 1-1-1 on 2 and 6.

My initial thoughts were that is was the timing belt or the fuel pump. Since there was no indication of trouble before it stalled, I do not suspect the fuel pump. Since the cam shaft spins I do not believe it to be the timing belt. The only thing that could be considered a warning was that occasionally on the fisrt turn of the ignition it would not start, but on the second turn it would go. Now it will turn over, all lights come on, but it will not start. The tachometer indicates about 1000 rpms when I turn the ignition, so I do not believe it to be the rpm sensor. Any help would be greatly appreciated! Thanks a lot!
91volvo740
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Joined: 30 Dec 2010, 17:50
Location: Minnesota
Model and Year: 740 1991

Re: Volv0 740 no start

Postby billofdurham » 17 Jan 2011, 18:25

It is strange that no code was set with the check engine light on.

Regarding point 7 (the first one) - since replacing the coil have you got a spark? If not you need to be looking at the power stage.

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.
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billofdurham
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Model and Year: 855, 1995

Re: Volv0 740 no start

Postby 91volvo740 » 17 Jan 2011, 20:32

Thanks for the reply, billofdurham.
There is still no spark, and I have already ordered a new powerstage. I will respond again when I install it. Regarding the check engine light, its occurence was simultaneous with the engine stalling, maybe that could have prevented an error from being logged, or maybe all the dash lights came on at once, and I just looked for the check engine light so that is what I saw.
91volvo740
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Posts: 12
Joined: 30 Dec 2010, 17:50
Location: Minnesota
Model and Year: 740 1991

Re: Volv0 740 no start

Postby 91volvo740 » 06 Feb 2011, 20:40

Here is an update on my car.
I replaced the RPM sensor, and I now get a spark, but my car will still not start. :? It has been sitting for about a month. Will starting fluid get my car going again, or would anyone suspect another problem, that perhaps frequently occurs in conjunction with a failing/failed RPM sensor? My car has a half a tank of gas. I am going to pick up starting fluid today, but with my luck. Thanks for any advice!
91volvo740
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Posts: 12
Joined: 30 Dec 2010, 17:50
Location: Minnesota
Model and Year: 740 1991

Re: Volv0 740 no start

Postby billofdurham » 06 Feb 2011, 22:28

If you have a spark it will start on the starting fluid. However, it may die as soon as it has burned the fluid which may indicate a fuel problem.

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.
User avatar
billofdurham
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Posts: 6508
Joined: 02 Feb 2006, 22:31
Location: Durham, England
Model and Year: 855, 1995

Re: Volv0 740 no start

Postby 91volvo740 » 13 Feb 2011, 22:16

Friends, relations, whatever the hell meatwad is. My car barely started on the starting fluid and then died. The closest it came to running on its own was a heavy idle with the check engine light on. I have replaced the fuel pump relay, and the fuse for the fuel pumps is ok. Also, I can hear the in tank fuel pump when the ignition is turned. Furthermore, there was no indication prior to this fiasco that there was a fuel delivery problem, i.e. no rough idle, no lack in acceleration etc. Any suggestions as to where to begin?
As always any advice is greatly appreciated.
91volvo740
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Posts: 12
Joined: 30 Dec 2010, 17:50
Location: Minnesota
Model and Year: 740 1991

Re: Volv0 740 no start

Postby billofdurham » 14 Feb 2011, 19:08

How long since the fuel filter was changed?

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.
User avatar
billofdurham
MVS Moderator
MVS Moderator
 
Posts: 6508
Joined: 02 Feb 2006, 22:31
Location: Durham, England
Model and Year: 855, 1995

Re: Volv0 740 no start

Postby 91volvo740 » 14 Feb 2011, 22:23

Not since I've owned it, which is about a year. Don't know prior to that. Would a bad filter have such a sudden and permanent failure?
91volvo740
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Posts: 12
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Location: Minnesota
Model and Year: 740 1991

Re: Volv0 740 no start

Postby Retired MVS Contributor » 14 Feb 2011, 22:36

91volvo740 wrote:Not since I've owned it, which is about a year. Don't know prior to that. Would a bad filter have such a sudden and permanent failure?


Yes, if it has ice in it...I hear that it gets pretty cold in Minnesota...Can you hear the fuel pump run for a few seconds when the key is turned on?...

Jerry
Retired MVS Contributor
 

Re: Volv0 740 no start

Postby 91volvo740 » 14 Feb 2011, 22:51

Yeah, I can hear the fuel pump. It seems plausible that the filter is frozen, it was pretty cold out while my car was not running. Thanks for the second on that suggestion, jerrymcc, I think I will make that my next replacement.
91volvo740
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Posts: 12
Joined: 30 Dec 2010, 17:50
Location: Minnesota
Model and Year: 740 1991

Re: Volv0 740 no start

Postby 91volvo740 » 19 Feb 2011, 22:09

Update. I replaced the fuel filter and the car will still not start. There is fuel getting to the engine, and there is a spark. Something to do with the fuel injectors perhaps? This is a mystery to me, does anyone have any ideas? Thanks!
91volvo740
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Posts: 12
Joined: 30 Dec 2010, 17:50
Location: Minnesota
Model and Year: 740 1991

Re: Volv0 740 no start

Postby Retired MVS Contributor » 20 Feb 2011, 23:43

There are more tests available using OBD, especially to see if the injectors are working...Bill has posted OBD procedure in the repair data base under 240, 740, et. pinned to the top of the page...

Jerry
Retired MVS Contributor
 

Re: Volvo 740 no start

Postby 91volvo740 » 21 Feb 2011, 21:58

Well this feels like progress anyway. When my problems first began there were no codes on OBD, but now I have two for fuel. They are 3-2-1 and 2-2-3. Cold start valve, and idle valve. What can I do to test these before I replace them. Or what else can you advise. Thanks!
91volvo740
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Posts: 12
Joined: 30 Dec 2010, 17:50
Location: Minnesota
Model and Year: 740 1991

Re: Volvo 740 no start

Postby Jessica » 21 Feb 2011, 22:09

I had problems with my 740 GL regina volvo as well. I replaced fuel pump, fuel filter, spark plugs, battery, and finally the IAC valve. (idle air compressor valve). To check this I went to an auto store where they ran a diagnostic test. I was sick of not knowing for sure the problem. It ran me 90 bucks but they were able to diagnose the problem and give me a list of other things that were needed to be fixed. I now know every detail because they went through the whole car. With the regina, the IAC valve is expensive. If you go to my post the "volvo 740 no start" posted by Jessica it explains how to clean the IAC valve. I ended up buying a used one from a junk yard because I could literally blow air through it. I hope this helps.
Jessica
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