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I have a 2003 land rover range rover 4.4 liter. cranks over

Customer Question
i have a 2003 land...
i have a 2003 land rover range rover 4.4 liter. cranks over but does not start. occasionally it will start briefly but than dies instantly. I have a verus scanner and came up with no codes. checked fuel pressure and checked out at 45psi. i check for spark and i am getting spark. pulled spark plugs and noticed they were flooded with fuel. compression test check out good on all cylinders. put new plugs in and still no start.
JA: How many miles are on the vehicle? And when was it last serviced?
Customer: vehicle has a 140 and just recently serviced about 3 month ago
JA: Are you fixing your Range Rover yourself? What have you tried so far?
Customer: Yes i am. I installed a new crank sensor from orielly's auto parts. new spark plugs. and also replaced the fuel pump
JA: Anything else you want the mechanic to know before I connect you?
Customer: not that i can think of at the moment
Submitted: 1 year ago.Category: Car
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Answered in 1 hour by:
1/4/2017
Auto Mechanic: Mike S., Mechanic replied 1 year ago
Mike S.
Mike S., Mechanic
Category: Car
Satisfied Customers: 7,772
Experience: 25+ years experience as an auto mechanic.
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Hi, I am Mike, welcome. I'm reviewing your question.

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Auto Mechanic: Mike S., Mechanic replied 1 year ago

Were all of the spark plugs covered in gasoline?

Did you check to make sure you get a spark on each cylinder?

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Auto Mechanic: Mike S., Mechanic replied 1 year ago

If you have a tachometer does it work or not? If not then that would point toward a fault within the crankshaft position sensor circuit and although you replaced the sensor, it could be something wrong with the wiring on that circuit, if the tach don't work.

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Customer reply replied 1 year ago
the spark plugs were soaked in gasoline and as i crank the engine i can see the rpm reading on my scanner and it does read rpm. I also did a continuity test from the crank to ecm and passed.
Auto Mechanic: Mike S., Mechanic replied 1 year ago

Were all of the spark plugs covered in gasoline or just a few?

Did you check to make sure you get a spark on each cylinder?

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Customer reply replied 1 year ago
all spark plugs were soaked and all coils are getting spark
Auto Mechanic: Mike S., Mechanic replied 1 year ago

See if it will start and run for a few seconds with after you clean the gasoline off the park plugs and try a few small shots of starting fluid into the throttle body.

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Customer reply replied 1 year ago
I disconnected the fuel pump fuse and tried with starting fluid and did not start. Reconnected fuse and does not start. It's starts and stalls every 4 to 5 attempts. I'm curious to know whats the reference signal on the crank sensor supposed to be. 2 terminal connector
Customer reply replied 1 year ago
i am getting a 2.5 volt reading on both terminals
Auto Mechanic: Mike S., Mechanic replied 1 year ago

I'll look that up but like I said before if the tach is working then too is the crank sensor.

Anyhow, why didn't you clean the spark plugs like I asked? If they continue to get flooded with gasoline, they will have to be cleaned constantly at least until this no start problem is fixed.

I just use carb cleaner and let them dry for few minutes.

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Customer reply replied 1 year ago
i put new plugs in nice and dry.
Auto Mechanic: Mike S., Mechanic replied 1 year ago

I am reading that this has 2 crankshaft position sensors and the red/white wires are also spliced into the wires that feed the fuel injectors and they all are fed from a fuse that appears to be 12 volts, so you should have 12 volts on those wires. How many volts do you show at the fuel injector red/white wires with the key on run?

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Auto Mechanic: Mike S., Mechanic replied 1 year ago

Here is the Engine Performance Circuit

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Customer reply replied 1 year ago
let me check it out give me a few
Customer reply replied 1 year ago
can you send location of crank sensors. i see one on trans bell housing. where is the other
Auto Mechanic: Mike S., Mechanic replied 1 year ago

Perhaps there is only the 1. Anyhow, how many volts do you have at the fuel injector red/white wires?

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Customer reply replied 1 year ago
also i see that the wire colors on the crank sensor located on the trans bell housing are black and yellow not red/wht and yel like shown on the diagram you sent me
Auto Mechanic: Mike S., Mechanic replied 1 year ago

Give me the vin number, perhaps you are wrong about the year, engine, etc.

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Customer reply replied 1 year ago
SALMB11423A111465
Auto Mechanic: Mike S., Mechanic replied 1 year ago

Well, that is a 2003 Range Rover 4.4 alright.

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Auto Mechanic: Mike S., Mechanic replied 1 year ago

Just by chance I looked up the 2002 and it only has the 1 crank sensor and it's wire colors are black/yellow, pink/black and black.

Let me lookup the 2004.

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Auto Mechanic: Mike S., Mechanic replied 1 year ago

It's the same as the 2003.

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Customer reply replied 1 year ago
i have the alldata program and it shows that the crank sensor wires run directly to the ecm. no shared signal. correct me if im wrong
Auto Mechanic: Mike S., Mechanic replied 1 year ago

Can you allow me to look at those alldata wiring diagrams?

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Customer reply replied 1 year ago
let me try to send it
Auto Mechanic: Mike S., Mechanic replied 1 year ago

ok, if not in here post it to an online site and then give me the link.

Any chance this engine and crank sensor harness was swapped out?

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Customer reply replied 1 year ago
Attached scanned Doc
Auto Mechanic: Mike S., Mechanic replied 1 year ago

That is odd. I suppose Mitchell has the wrong diagrams.

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Auto Mechanic: Mike S., Mechanic replied 1 year ago

I am going to opt out, cause who knows how much more their repair manual is wrong and I could do more harm than good with the wrong info.

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Mike S.
Mike S.
Mike S., Mechanic
Category: Car
Satisfied Customers: 7,772
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Experience: 25+ years experience as an auto mechanic.

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