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Robert
Robert, UK Qualified Car Technician
Category: Car
Satisfied Customers: 4566
Experience:  Fully qualified / self employed garage technician in the UK
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04 honda crv with a p0344 fault code

Resolved Question:

04 honda crv with a p0344 fault code
Submitted: 1 year ago.
Category: Car
Customer: replied 1 year ago.
it is rough starting and needs a little res for about 30 seconds then it runs fine. it drives fine once started but sometimes the idle is a little off.
Expert:  Robert replied 1 year ago.
Hi..there.. What engine does it have? Has anything been inspected or replaced so far upto this point?
Customer: replied 1 year ago.
it has a 2lt v-tec engine i have replaced one of the cam position sensors
Expert:  Robert replied 1 year ago.
The front most sensor for INLET? Is it genuine maker... Have you inspected the plug pins for corrosion or damage and wiring into the plug? Any rattle at start up? Do you have a multimeter
Customer: replied 1 year ago.
no rattle on startup. wires look fine and pins look fine to yes i do have a multi meter.
ok so bank 1 sensor a is the inlet and at front.
Expert:  Robert replied 1 year ago.
Yes..the front camshaft is the INLET thats the sensor thats at fault or be it the wiring..its also the camshaft with the varible timing sprocket/hub..thats oil fed control via a oil control solenoid that located on the opposite of the head under on the same front side..below the cam cover front..looks like small cylinder with a plug connector going to it - you can remove these to clean out if the hub is causing that code.....With the mulitmeter set to volts you want to be checking the voltage on the harness unplugged from sensor on PIN3 "black/yellow wire" with ignition turned on and see between 4.8v and 5.2v - red lead to pin3 . black lead to earth ground..... if thats seen on the meter then that circuit is fine.Next is put red lead to PIN2 "brown/yellow" black lead to earth..ignition on - its has to between 0 and 0.2v.Using multimeter set to ohm's test - Resistance check PIN1 "blue/white" and A19 on the main ECU harness - it should be less than 1 ohm to pass..and issue with the wiring from ecu to sensor.. so a few checks above to maybe come back with..Ideally the next stage would be to wave form test both sensors including the crank sensors and capture that wave form and compare with good wave form if you can find one..which i dont have sadly..you need labscope and back probe those sensor/signals on diagnsotic machine to see all that..to see what that may through up.just to be sure you dont have timing issue the inlet hub is working and and you dont have stretched chain..
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