Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here! ZJ (93-98), WJ (99-04), WK (05+)
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Old 03-10-2014, 06:22 AM
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The GC 4.0 I bought in December that has the knock, when I start it to move it it jumps to 4000 RPM then back to 2000 RPM, I am going to rebuild engine, my worry, its't that a little high RPM for a cold start? There are no codes.
Old 03-10-2014, 01:44 PM
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Year: 2000 XJ Sport & WJ Laredo
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Engine: 4.0L
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Might be a sticky throttle or cable.
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