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Miscellaneous Automotive
Car Performance & Repair
check engine light came on....
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<blockquote data-quote="zane" data-source="post: 702235" data-attributes="member: 540617"><p>OBDII was not present until late 1994, this car is still OBDI.</p><p></p><p>There are several relatively in-expensive OBDI Code Readers available at most local auto stores and even some Wal-Mart's.</p><p></p><p>The OBDI ports were typically under the hood on most models, but a few did locate them under the dash, glovebox, or behind the kick panels.</p><p></p><p>OBDI Code Readers typically use a small LED to flash the code from the vehicle. You simply observe the number of flashes of the LED and their sequence, and refer to the included book, or a Chiltons Manual for your vehicle, to see which code is being thrown.</p><p></p><p>That's your first and most important step.</p><p></p><p>I would seriously advise not doing anything else until you know what caused the MIL to come on.</p><p></p><p>Ignoring it will in most situations cause the vehicle to go into "Limp Home Mode" where it's bare basics are all that's used engine wise. Performance, efficiency, fuel economy, etc, all suffer greatly in this situation.</p><p></p><p>Throwing parts at it without the OBDI information is just a plain idiots way of working, and costs quite a bit more, and seldom works.</p><p></p><p>Bottom line - get the code(s) first, or have AutoZone, or a Mechanic do so.</p><p></p><p>Then and only then will you know the next (second) step to take.</p><p></p><p>Scan the codes on the vehicle before anything is done.</p></blockquote><p></p>
[QUOTE="zane, post: 702235, member: 540617"] OBDII was not present until late 1994, this car is still OBDI. There are several relatively in-expensive OBDI Code Readers available at most local auto stores and even some Wal-Mart's. The OBDI ports were typically under the hood on most models, but a few did locate them under the dash, glovebox, or behind the kick panels. OBDI Code Readers typically use a small LED to flash the code from the vehicle. You simply observe the number of flashes of the LED and their sequence, and refer to the included book, or a Chiltons Manual for your vehicle, to see which code is being thrown. That's your first and most important step. I would seriously advise not doing anything else until you know what caused the MIL to come on. Ignoring it will in most situations cause the vehicle to go into "Limp Home Mode" where it's bare basics are all that's used engine wise. Performance, efficiency, fuel economy, etc, all suffer greatly in this situation. Throwing parts at it without the OBDI information is just a plain idiots way of working, and costs quite a bit more, and seldom works. Bottom line - get the code(s) first, or have AutoZone, or a Mechanic do so. Then and only then will you know the next (second) step to take. Scan the codes on the vehicle before anything is done. [/QUOTE]
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check engine light came on....
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