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ANSWER Check engine codes 200 1991

posted by  Farm Boy on  Wed May 23 02:20 CST 2007
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last visit: Mon Oct 28 07:35 CST 2013
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1) Fuel pressure regulator. Pull off the vacuum hose and see if the diaphragm has failed.

2) Check air and vacuum tubes from MAF back, including tubes to idle air control valve, for cracks. Unplug and reconnect the MAF, to freshen the electrical connection. You might spray some carb cleaner through the MAF to clean it. Some are cautious of this practice, but I have cleaned both mine every few years and have never replaced a MAF yet.

3) Throttle position switch. Does it click when you crack the throttle?

4) Get a manual and start going through a more thorough diagnostic.

5) Fuel injectors almost never fail on these cars. You MIGHT have to send them to CruzinPerformance or WitchHunter or other shop for cleaning, but I'd be shocked if you have to replace any,

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New ANSWERED Check engine codes [200][1991]
posted by  FZGIL  on Wed May 23 00:57 CST 2007 >


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