Codes P0375 code and P0335 after replacing crankshaft position sensor

Tiny
EORLKV
  • MEMBER
  • 2005 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 137,500 MILES
Car listed above is a four door sedan. Replaced crankshaft position sensor with OEM part from O'Riley's that's what code scanner was showing. After replaced p0375 code and p0335 both show had a technician friend of mine use his scanner, it shows everything is fine but now for some reason his scanner showed that there is some kind of timing issue, his scanner says recommended is at 0 but is running between 51 and 54. His scanner has option to adjust this timing but every time tried scanner got kicked out of option screen and said operation not valid or available, is this because it's the actual timing chain or is it due to Nissan over ride that won't allow my friend's snap on scanner to readjust this issue even though it shows he's able to. And also my car wouldn't allow his scanner to re-calibrate my speedometer. Any advice?
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Monday, June 10th, 2019 AT 9:57 PM

5 Replies

Tiny
ASEMASTER6371
  • EXPERT
Good morning,

This sounds like you need a timing chain. The marks are no longer aligned and that is why you have these codes and the timing showing that far off.

There is no adjustment for the timing chain. That is automatic with a tensioner.

You will need to replace the timing chain.

https://www.2carpros.com/articles/how-a-timing-belt-works

Roy

TIMING CHAIN

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Removal and Installation

CAUTION: Apply new engine oil to parts marked in illustration before installation.

REMOVAL
1. Support the engine and transaxle assembly with suitable tools.
2. Remove RH splash shield.
3. Remove the upper and lower oil pan, and oil strainer.
4. Remove generator. Refer to "Removal".
5. Remove engine cover.
6. Disconnect variable timing control solenoid harness connector.
7. Remove engine ground.
8. Remove the coolant overflow reservoir tank.
9. Position the RH engine compartment fuse and relay box aside.
10. Remove the RH engine mount and bracket.

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11. Loosen bolts in the numerical order as shown.

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Remove the IVT (intake valve timing) control cover using Tool.
Tool number : KV10111100 (J-37228)
12. Pull chain guide between camshaft sprockets out through front cover.

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13. Set the No. 1 cylinder at TDC on the compression stroke with the following procedure:
a. Rotate the crankshaft pulley clockwise and align the mating marks to the timing indicator on the front cover.

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b. At the same time, make sure that the mating marks on camshaft sprockets are lined up with the yellow links in the timing chain, as shown.
- If not lined up, rotate the crankshaft pulley one more turn to line up the mating marks to the positions as shown.

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14. Remove crankshaft pulley with the following procedure:
a. Hold the crankshaft pulley using suitable tool, then loosen the crankshaft pulley bolt, and pull the pulley out about 10 mm (0.39 inch).

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b. Attach suitable pulley puller in the M 6 (0.24 inch diameter) thread hole on crankshaft pulley, and remove crankshaft pulley using a suitable puller.

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15. Remove the front cover with the following procedure:
a. Loosen the bolts in the reverse order as shown, and remove them.
b. Remove the front cover.

CAUTION:
- Be careful not to damage the mounting surface.

16. If the front oil seal needs to be replaced, lift it out with a screwdriver to remove it.

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17. Remove timing chain with the following procedure:
a. Push in the tensioner plunger. Insert a stopper pin into the hole on the tensioner body to hold the chain tensioner.
- Use a wire of 0.5 mm (0.02 inch) diameter as a stopper pin.
b. Remove the chain tensioner.

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c. Secure hexagonal part of the camshaft with a wrench and loosen the camshaft sprocket bolt and remove the camshaft sprocket for both camshafts.

CAUTION:
- Do not rotate the crankshaft or camshafts while the timing chain is removed. It can cause damage to the valve and piston.

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18. Remove the chain slack guide, tension guide, timing chain, and oil pump drive spacer.
19. Remove the timing chain tensioner for the balancer unit with the following procedure:
a. Lift the tensioner lever up, and release the ratchet claw for installation.
b. Push tensioner sleeve in, and hold it.
c. Matching the hole on lever with the one on body, insert a stopper pin to secure tensioner sleeve.
d. Remove the timing chain tensioner for the balancer unit.
20. Remove timing chain for balancer unit and crankshaft sprocket.

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21. Loosen bolts in reverse order as shown, and remove balancer unit.
- Use Torx socket (size E14)

CAUTION:
- Do not disassemble balancer unit.
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Tuesday, June 11th, 2019 AT 6:00 AM
Tiny
KENNY VANHORN
  • MEMBER
So it doesn't matter about the sensor not being from Nissan or it not being the new type with the metal instead of plastic, and why would the obd2 scanner show that the adjustments are available?
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Tuesday, June 11th, 2019 AT 7:41 PM
Tiny
ASEMASTER6371
  • EXPERT
Bbn o. It does not.

50 degrees is way too much. Did you check the timing marks.

Roy
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Wednesday, June 12th, 2019 AT 12:34 AM
Tiny
KENNY VANHORN
  • MEMBER
No just going off of my friend's Snap On odb2 scanners live data while hooked up to car while running. I know quite a bit about vehicles but I've never messed with anything to do with timing. Was wondering if I switched out sensor for actual Nissan sensor and get new plugs if it would make any difference Roy?
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Wednesday, June 12th, 2019 AT 5:30 AM
Tiny
ASEMASTER6371
  • EXPERT
You can try but it will not change the difference in timing.

That is mechanical. That is when the cam and crank sensor signals are out of sync.

You need to pull the front cover. The scan tool will not help you with checking the marks. You need to see them for yourself.

Roy
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Wednesday, June 12th, 2019 AT 5:37 AM

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