- #47 of 102
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Re: help with my 99 pi cv WHAT IS WRONG WITH IT ? [serge99pi]
by ronslakie1
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Feb 10, 2007 (5:29 am)
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Replying to: serge99pi (Feb 09, 2007 8:25 am)
Sounds like you need a new IAC valve about $50 from autozone and an easy install.
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- #48 of 102
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Re: help with my 99 pi cv WHAT IS WRONG WITH IT ? [ronslakie1]
by serge99pi
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Feb 10, 2007 (4:49 pm)
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Replying to: ronslakie1 (Feb 10, 2007 5:29 am)
that was first thing i did it was ok for 2 days now it is back the way it was before and i am only gettin 13 mi per gallon pretty sure it is related maybe o2 sensor or that other air controling sensor not iac
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- #49 of 102
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Engine light on
by collins14
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Feb 19, 2007 (10:36 am)
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My Dad owns a 2001 Grand Marquis. He said the engine light came on this morning- the car has about 58K miles.
I have owned cars where the check engine light comes on at 60k just as a routine maintanence type thing. Is this true with the grand marquis also or does he need to be concerned and bring it in to the shop?
Thanks
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- #50 of 102
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Re: Engine light on [collins14]
by euphonium
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Feb 19, 2007 (1:10 pm)
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Replying to: collins14 (Feb 19, 2007 10:36 am)
Check for a low coolant level in the Reservor.
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- #51 of 102
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Re: Engine light on [euphonium]
by esfoad
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Feb 19, 2007 (4:00 pm)
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Replying to: euphonium (Feb 19, 2007 1:10 pm)
And make sure the gas cap is on correctly and tight, this can also trigger a CEL. If it's none of the above, it's probably a sensor.
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- #52 of 102
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Re: help with my 99 pi cv WHAT IS WRONG WITH IT ? [serge99pi]
by nineteen
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Feb 20, 2007 (7:00 pm)
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Replying to: serge99pi (Feb 10, 2007 4:49 pm)
What is sounds like is that you car misfires. If it is only happened on idle , I'd believe in the Idle Air Sensor, but otherwise, I'd start checking vacuum hoses and EGR valve. Drop in vacuum can cause change in fuel mixture and engine could stutter, as well as burn more fuel. If vacuum is OK, start going through "electrical" route - plugs/coils/wires. If that checks out check fuel pump + injectors.
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- #53 of 102
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Re: help with my 99 pi cv WHAT IS WRONG WITH IT ? [nineteen]
by serge99pi
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Feb 23, 2007 (8:19 am)
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Replying to: nineteen (Feb 20, 2007 7:00 pm)
this weekend put new idle air sensor, fuel filter I thought the sensor i put before might of been bad it starts better but still takes lots of gas 13 per gal and when i drive 30-40 miles per hr sometimes it shakes just little when my foot is on gas sometimes when i am standing at the light it will start shaking more but then i go forward and it drives perfect.Hooked it up to tester it showed nothing is wrong put out check eng than it came back it was little orange scanner they use at autozone,I hope it is nothing seruios spark plugs were changed also.PLEASE GIVE ADVICE WILL TRY ANYTHING !
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- #54 of 102
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knocking noises on my 94 crown vic...
by hottmomma315
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Feb 24, 2007 (9:23 pm)
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My 94 Crown Vic just started making knocking noises and a ping type of noise every few seconds and when accerlated it shakes and acts like it isn't getting enough power. All fluids have been checked. What do u think could be the problem?
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- #55 of 102
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Re: knocking noises on my 94 crown vic... [hottmomma315]
by euphonium
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Feb 25, 2007 (6:06 pm)
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Replying to: hottmomma315 (Feb 24, 2007 9:23 pm)
Would be helpful to know how many miles are on the CV. If in excess of 110k, don't overlook the coil on plugs, plug wiring, and mass air sensor.
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- #56 of 102
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Re: knocking noises on my 94 crown vic... [hottmomma315]
by jsylvester
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Mar 03, 2007 (8:40 am)
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Replying to: hottmomma315 (Feb 24, 2007 9:23 pm)
Could be a lot of things, especially at it's age. But I would start with the ignition/timing system first.
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