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Old 10-02-2014, 01:31 PM
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engine revs then bogs when driving

I have a 2005 grand cherokee when im driving it the engine will rev a little then it feels like the engine bogs any help will be appreciated

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Old 10-02-2014, 01:35 PM
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Re: engine revs then bogs when driving

Welcome to the garage.
Which engine? Does it finally accelerates, or is it a complete loss of power? No check engine light on? I would check the fuel pressure at the rail to start with. Could be a bad fuel pressure regulator or bad fuel pump.
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Old 10-02-2014, 06:18 PM
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Re: engine revs then bogs when driving

light does come on ,6 cylinder rpm jumps a couple hundred then engine bogs down.Took it in but then it wouldnt do it.doesnt do it when idleing.
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Old 10-02-2014, 06:24 PM
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Re: engine revs then bogs when driving

So with the "check engine" light on, there will be a fault code set in the PCM (powertrain control unit). You could try the keydance to retrieve the code(s), or will need to have it scanned. Keydance: ignition switch off/run three times and leave in run at the third time. odometer will show DONE when all ok, or a fault code(s).
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