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Old 12-13-2012, 05:57 AM   #1 (permalink)
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Default Major Code Problem

Im in some deep water right now. I got my car isnpected by a "certified" inspector. They test comes back and it says I have 5 codes. They where problems with the ABS and MAF sensor. So i replaced my MAF with a used one I got from our local Land Rover shop. Then I ask my buddy to borrow his little code reader to see if that used sensor took some codes away. Instead I got these codes instead!

P1590
P0174
P0171
P0300
P0304
P0306
P1300
P0308
P0301
P0303
P0305
P1174 PD

Thats what the code reader told me. Oh man I was pissed! Then looking up on forums and talking to other people, we have came to a conclusion that I need brand new coils and a new MAF. We found them on roversnorth.com. Part numbers are:

Model# RND310
Model# RNE054

I wanted to see you guys thoughts on this. Should a new MAF and new coils fix it? Should I use roversnorth coils for $200+? Or genuine land rover coils for $600+? Or is there more parts I need? Please reply back, thanks.
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Old 12-13-2012, 06:22 AM   #2 (permalink)
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they are - apart from the first one - missfire or fuel trim codes. Put in a new MAF, a genuine new MAF from bosch. Until you actually fix the MAF you will get misfire and fuel trim codes.
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Old 12-13-2012, 06:25 AM   #3 (permalink)
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Now what about the coils? Think new ones would fix it as well?
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Old 12-13-2012, 06:45 AM   #4 (permalink)
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You are guessing and jumping the gun.
When was this engine last tuned along with new 8 mm silicone wires, also what octane gas are you burning?
By the way, how many miles on the engine?
So do not buy a coil or MAF till you answer my questions.
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Retired service manager, member of Solihull Society, SCLR, NCLR and the Santa Barbara 4Wheelers clubs.
99 D2, 3" lift, CDL with Detroit,T.T. lockers, 4:11's,H.D. axles, custom ft/rear bumpers with sliders, a 9500 HSI Warn winch and 5 HID's.

To DOWNLOAD the RAVE Manual, follow this link http://www.landroverresource.com/

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Old 12-13-2012, 06:45 AM   #5 (permalink)
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you are misfiring on 1,3,4,5,6 and 8. those cover both coils, Unless you can feel and hear the misfire (which you dont say you can?) its probably a misfire due to incorrect air to fuel mixture caused by a bad MAF. I have never heard of both coil packs going out at the same time and giving multiple misfires, especially not suddenly unless you disturbed a lot of wires

I wouldnt replace the coil packs until you get the codes cleared and a new MAF or MAF insert into the system. then if the misfires persist check for running vacuum and air leaks and then fuel delivery pressure. After that check the resistance on the wires and if needed replace the wires. Coil packs going out is actually fairly unusual, even though people replace them first they generally find the problem is something else.
cheers
Barri
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Major Code Problem-dii-firing-order.jpg  
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1999 discovery 11, some new cars, 1988 xj40, 1976 deville 8.2l, 1974 450sl, 1969 lotus 7, 1961 austin mini

the best view is always from the point of no return and you only ever have too much fuel when you are on fire.
http://www.mercdjetmegasquirt.britautorepair.com/
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Old 12-13-2012, 08:35 AM   #6 (permalink)
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The truck has 130,000 miles. No clue when the engine has been tuned. Im running 93, highest one.
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Old 12-13-2012, 08:55 AM   #7 (permalink)
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How about plugs and wires and what brand are they?
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Mike

Retired service manager, member of Solihull Society, SCLR, NCLR and the Santa Barbara 4Wheelers clubs.
99 D2, 3" lift, CDL with Detroit,T.T. lockers, 4:11's,H.D. axles, custom ft/rear bumpers with sliders, a 9500 HSI Warn winch and 5 HID's.

To DOWNLOAD the RAVE Manual, follow this link http://www.landroverresource.com/

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm


Need Parts?
paulgrant@mac.com or call 203-770-1699
willtillery@roverguy.com or call 434-251-9331
P.T. Schram 260-804-0458

Lucky8, http://lucky8llc.com/
British Parts of Utah, http://www.bputah.com/
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Old 12-13-2012, 09:08 AM   #8 (permalink)
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Brand new Champion Platinum plugs with STI wires.
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Old 12-13-2012, 01:59 PM   #9 (permalink)
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You might want to send me your number, this is getting interesting.
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Mike

Retired service manager, member of Solihull Society, SCLR, NCLR and the Santa Barbara 4Wheelers clubs.
99 D2, 3" lift, CDL with Detroit,T.T. lockers, 4:11's,H.D. axles, custom ft/rear bumpers with sliders, a 9500 HSI Warn winch and 5 HID's.

To DOWNLOAD the RAVE Manual, follow this link http://www.landroverresource.com/

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm


Need Parts?
paulgrant@mac.com or call 203-770-1699
willtillery@roverguy.com or call 434-251-9331
P.T. Schram 260-804-0458

Lucky8, http://lucky8llc.com/
British Parts of Utah, http://www.bputah.com/
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Old 12-13-2012, 03:26 PM   #10 (permalink)
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Quote:
Originally Posted by gurunutkins View Post
you are misfiring on 1,3,4,5,6 and 8. those cover both coils, Unless you can feel and hear the misfire (which you dont say you can?) its probably a misfire due to incorrect air to fuel mixture caused by a bad MAF. I have never heard of both coil packs going out at the same time and giving multiple misfires, especially not suddenly unless you disturbed a lot of wires

I wouldnt replace the coil packs until you get the codes cleared and a new MAF or MAF insert into the system. then if the misfires persist check for running vacuum and air leaks and then fuel delivery pressure. After that check the resistance on the wires and if needed replace the wires. Coil packs going out is actually fairly unusual, even though people replace them first they generally find the problem is something else.
cheers
Barri
Once I get a new MAf, if I need one, that sounds like a plan. And Mike I sent you my number.
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