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Discussion Starter · #1 ·
Strange thing on my car the past few days. The CEL is lit constantly and the A/C and Recirc lights flash for a number of seconds when I start the car. It seems to be running normally, and fuel economy hasn't taken a dive. Well normally means that I have an interesting pulsing/hesitation under full throttle and it goes away if I back off a hair. I'm going to get a scan tool here and pull the codes, but does anyone have any idea what these two alerts are?<p>Whoops, forgot I posted about the CEL the other day. The flashing light deal is new. <IMG NAME="icon" SRC="http://********************/smile/emwink.gif" BORDER="0"><br>Thx in advance!<BR><BR>
[Modified by javadoc, 3:13 PM 10-21-2002]
 

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Re: CEL and flashing A/C, Recirc lights (javadoc)

I'm guessing that they are unrelated. The blinking climate control lights might indicate something as little as a sensor malfunction, while the CEL could mean something entirely different. Pull those codes and see!
 

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Re: CEL and flashing A/C, Recirc lights (Red Rocket)

Right, thanks. I just ordered the scan tool to interface via my laptop, from obd-2.com. Not a bad price, about two visits to the mechanic to pull codes. I guess I'll see what's up when the order arrives.<br>
 

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Re: CEL and flashing A/C, Recirc lights (javadoc)

Alrighty. My ScanTool kit arried from the good folk at obd-2.com, and I plugged her in. This is the result:<p>Code: P0133 - O2 Sensor Curcuit Slow Resonse (Bank 1 Sensor 1). Recieved from Engine Controller Address $17.<p>So, what does this mean? I have noticed a couple of times in the past week that the CEL has been on, I've smelt that nasty sulphur stench... probably a bad O2 sensor? Something more simple than that? Do I need to really take this car into my mechanic, or can I just fix the bugger myself? My 'Chilton's' guide isn't much help on codes. Is there someone's website for the codes?<p>Second, I thought that this scan too software would be realtime. You can't have the car running for the testing, eh? Is there a enhanced pack specificall for Volvo that I could look for?<p>Thanks to any and all that can help me out!
 
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