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Huh, this chat, 2003 sentra, it idles ok but one i hit the

Customer Question
huh JA: What confuses you? Customer: this...
huh
JA: What confuses you?
Customer: this chat
JA: What is the model/year of your Nissan?
Customer: 2003 sentra
JA: Are you fixing your Sentra yourself? What have you tried so far?
Customer: it idles ok but one i hit the throttle it wont go past 2k rpm full throtte
JA: How many miles are on the car? What size is the engine?
Customer: 106000 1.6
JA: Anything else you want the mechanic to know before I connect you?
Customer: 1.8 i ment
Submitted: 1 year ago.Category: Nissan
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Answered in 13 minutes by:
10/10/2016
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago
Ron
Ron, ASE Certified Technician
Category: Nissan
Satisfied Customers: 36,848
Experience: 34 years of automotive Repair
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Hello. My name is ***** ***** I am happy to assist you today. Give me just a moment to review your post, and I'll be right back with the help you need.

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Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

Have you installed a fuel pressure gauge and monitored the fuel pressure while the problem is occurring?

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Customer reply replied 1 year ago
Ok
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

Have you installed a fuel pressure gauge and monitored the fuel pressure while the problem is occurring?

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Customer reply replied 1 year ago
No it starts up ok but it won't go past 2k revs full throttle it bogs down heavily
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

This sounds like you may have a low fuel pressure concern , are you able to check the fuel pressure?

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Customer reply replied 1 year ago
No
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

Well that would be the next steps to at least verify you have proper fuel pressure.

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Customer reply replied 1 year ago
Throttle position sensor?
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

If in fact the TP was bad the computer system would usually set a fault code indicating it was bad. Are you getting any fault codes from the computer?

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Customer reply replied 1 year ago
I have a odb II READER but where is the connection for it in the car
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

Its under the dash near the steering column.

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Customer reply replied 1 year ago
Ok I got p0103 and p3040
Customer reply replied 1 year ago
P0340 I ment
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

The code P0340 set in most cases if the timing chain alignment is off or you have a bad camshaft position sensor. Before you replace any parts you should start with checking the timing chain alignment . Are you able to do some testing?

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Customer reply replied 1 year ago
what I am looking for
Nissan Mechanic: Ron, ASE Certified Technician replied 1 year ago

Okay the code you want to check is the P0340. See the steps in the link below to do this. Have a look and post back if you have more questions and or need more help.

https://dl.dropboxusercontent.com/u/104923897/P0340%20Oct%2010.pdf

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Category: Nissan
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