'88 R20 Suburban BB TBI - Code 33


Posted by Jason on October 20, 04 at 07:30:13:

My trucks been running pretty rough, and getting worse. Started out just a bit unresponsive, but now when I fire it up in the morning, it sputters for about 7 or 8 seconds, then the idle comes to around normal (maybe a little high). Then I get the code 33. It's still unresponsive, and MPG is way down. There's also a strong smell from exhaust. The smell started as just unburnt fuel smell, but now it just stinks (not sulphur/rotten egg smell). Any suggestions?

Thanks

Jason

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