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440 -95 B18U Problems with cold start + bad idle

Discussion and advice for 440, 460, 480 owners.

1986 - 1997 440
1986 - 1997 460
1986 - 1997 480

Quickie2
Posts: 28
Joined: Thu Feb 19, 2009 2:22 pm
Year and Model: 440 -95 B18U
Location: Sweden

Re: 440 -95 B18U Problems with cold start + bad idle

Post by Quickie2 »

Finally! :D I am 99.99% sure I've found my problem. My TPS is probably giving me theese problems.
I have one last question, the volvo dealer doesn't sell the tps separatly and I wonder It's even possible to just replace the sensor only??
masse
Posts: 3
Joined: Sat Mar 06, 2010 3:55 pm
Year and Model: 480 88
Location: sweden

Re: 440 -95 B18U Problems with cold start + bad idle

Post by masse »

billofdurham wrote:Welcome to Matthew's Volvo Site.

4-1-1 is Throttle Position Sensor (TPS) signal error. Possible causes are wiring fault; accelerator cable adjustment; faulty TPS or ECM fault.

Check the wiring to the TPS then, with a voltmeter, check for voltage at the plug.

Values should be as in the attached.
TPSensor check.jpg
Bill.
I have a 480 -88 and i cant find a obd unit ...
where did you find the voltage values for the tpsensor?
I need the values for all the sensors since i cant find a obd...
masse
User avatar
billofdurham
MVS Moderator
Posts: 6507
Joined: Thu Feb 02, 2006 3:31 pm
Year and Model: 855, 1995
Location: Durham, England
Been thanked: 3 times

Re: 440 -95 B18U Problems with cold start + bad idle

Post by billofdurham »

The OBD was first fitted to the 1990 cars.

I shall post the values for you but it will take time to collate them so please be patient.

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.
masse
Posts: 3
Joined: Sat Mar 06, 2010 3:55 pm
Year and Model: 480 88
Location: sweden

Re: 440 -95 B18U Problems with cold start + bad idle

Post by masse »

Thank you very much! :)
User avatar
billofdurham
MVS Moderator
Posts: 6507
Joined: Thu Feb 02, 2006 3:31 pm
Year and Model: 855, 1995
Location: Durham, England
Been thanked: 3 times

Re: 440 -95 B18U Problems with cold start + bad idle

Post by billofdurham »

I think I have covered most of the engine sensors, but if there is anything I have missed that you need let me know.
480 sensors.pdf
(2.11 MiB) Downloaded 215 times
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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