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p0128- 2004 chev malibu
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<blockquote data-quote="Tom Schindler" data-source="post: 768581" data-attributes="member: 56140"><p>Another thought.</p><p></p><p></p><p></p><p>I do not know much about GM's, but on other vehicles...including one GM, I have seen two temp sensors. One for the guage on the dash and the other for the ECU.</p><p></p><p></p><p></p><p>This was true with my brother's 1990 C3500 with a 454 V8. The engine would idle at 3,000 RPM. The ECU said the ECT Sensor was reading too low. Aparently, the sensor was telling the ECU the engine was very cold. The guage on the dash said the temperature was normal.</p><p></p><p></p><p></p><p>Swapped out the sensor and the engine ran perfect.</p><p></p><p></p><p></p><p>Just a thought. Don't know enough about GM's engine managment to comment any further.</p><p></p><p></p><p></p><p></p><p></p><p>Tom</p></blockquote><p></p>
[QUOTE="Tom Schindler, post: 768581, member: 56140"] Another thought. I do not know much about GM's, but on other vehicles...including one GM, I have seen two temp sensors. One for the guage on the dash and the other for the ECU. This was true with my brother's 1990 C3500 with a 454 V8. The engine would idle at 3,000 RPM. The ECU said the ECT Sensor was reading too low. Aparently, the sensor was telling the ECU the engine was very cold. The guage on the dash said the temperature was normal. Swapped out the sensor and the engine ran perfect. Just a thought. Don't know enough about GM's engine managment to comment any further. Tom [/QUOTE]
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p0128- 2004 chev malibu
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