I have a1985 Volvo wagon 240 and it failed the nox the MAX :788 AVE:473 MEAS:1507 this was at 15 mph. I don't understand it. Could you please help me. Thank you S

40

Asked by Aug 06, 2015 at 02:16 PM about the 1985 Volvo 240 DL Wagon

Question type: Maintenance & Repair

5 Answers

90,155

You could have a bad catalytic converter, you could also being burning lean..

40

What do you mean by lean

90,155

Not enough fuel or to much air..

90,155

Not enough fuel, could be clogged fuel filter, or fuel pressure needs to be adjusted, or the fuel pump is lagging or going bad could causing a lean condition.

40

I'll let you know how it goes thank you

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