I don't know much about these cars yet, but while I was troubleshooting on my 85 240 I disconnected the air mass meter, and it would idle fine, but when I gave it a little gas it would bog down immediately.
According to the haynes manual the car probably won't start if it has a bad amm though.
Search found 2 matches
- 02 Dec 2005, 16:28
- Forum: 240, 740, 760, 780, Bertone, 940, 960, V90, S90
- Topic: What did I get into? Volvo 760 1987
- Replies: 4
- Views: 1325
- 01 Dec 2005, 17:10
- Forum: 240, 740, 760, 780, Bertone, 940, 960, V90, S90
- Topic: 1985 240 extremely high HC & CO readings. Failed Emissio
- Replies: 3
- Views: 1566
1985 240 extremely high HC & CO readings. Failed Emissio
I just bought this 1985 240, and it has failed the emissions test. Here are the readings. 25/25 test HC ppm - reading 288 - allowed 162 CO % - reading 6.35 - allowed 1.04 50/15 test HC ppm - reading 302 - allowed 167 CO % - reading 6.7 - allowed .94 everything else passed. The car has new plugs, plu...