Question about 2000 Nissan Xterra

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2000 nissan xterra losing power

When the car is at idle, there is a small intermittent shudder but no rpm loss. When the engine is put under even a small load, like climbing a hill or accelerating from stop, it has significant loss of power, like it is being starved for fuel. any ideas?

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  • tammynorse Nov 12, 2008

    I am having the same problem..

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6 Suggested Answers

emissionwiz
  • 61292 Answers

SOURCE: just had sparkplugs and wires replaced. Check car still shudder

I was factory trained to work on these cars, the problems i found for this symptom where this, a cracked air intake rubber flex hose, crack is on bottom and opens up when u accelerate, next is a defective MAF, which is a Mass Airflow sensor, neither of these two problems will set a code.

Posted on Nov 03, 2009

stumann2
  • 193 Answers

SOURCE: power fadded over a few days now its dead. Fuel Pump?

It's quite possible to ruin a fuel pump by letting it run dry, especially if it already has years of use. When you first turn on the key, leave the door open and see if you can hear a high pitched whine for about three seconds. That would be the pump priming the system. If you don't hear it, then the pump isn't working. Be sure to turn the key of for about 10 seconds before you try listenng again(it has to reset). It can be hard to hear, especially over the key buzzer.

Posted on Feb 18, 2010

SOURCE: Misfire & power loss

maybe its time to replace your fuel injectors or fuel filter ?

Posted on Nov 02, 2008

  • 55 Answers

SOURCE: lack of power

it can also be an oxygen sensor for your fuel, i had the same issue with my malibu at one time.

Posted on Feb 03, 2009

  • 1 Answer

SOURCE: 000 NISSAN Xterra -- after warming up, loses RPM by 500-1000..... have replaced ignition wires and distributor, checked mass air flow sensor and OK.....

I had a problem on my Nissan Xterra 2000. Symptons sound similar. In my case, it ran fine for a while and then suddenly the engine starts to stumble and lose output. At one point it did not even have enough HP to move. Irregular idling too. Thought it was water in my fuel. Bought water remover from the store and added to gas tank. Problem did not go away. Instead, "Service Engine Soon" light came on. Had to have it towed to the dealer as there was no way the engine could keep up with traffic. Dealer replaced the "Crank Position Sensor" today. Parts $33.00, Labor: $300 (about 3 hrs worth of work). Seems to work fine now but I will wait and see. Dealer also stated that Distributor bearing appears to be noisy and will need to be replaced sooner or later. I will wait for it to go before I fix that.

Posted on May 27, 2009

  • 98 Answers

SOURCE: loss of power climbing hills. Replaced the

check catalitic converter,could be partially plugged

Posted on Aug 03, 2009

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From the service manual:

Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment
NGEC0549
PREPARATION
NGEC0549S01
1) Make sure that the following parts are in good order.
I Battery
I Ignition system
I Engine oil and coolant levels
I Fuses
I ECM harness connector
I Vacuum hoses
I Air intake system
(Oil filler cap, oil level gauge, etc.)
I Fuel pressure
I Engine compression
I EGR valve operation (If so equipped)
I Throttle valve
I Evaporative emission system
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3) On automatic transmission equipped models, when checking idle rpm, ignition timing and mixture ratio,
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4) When measuring “CO” percentage, insert probe more than 40 cm (15.7 in) into tail pipe.
5) Turn off headlamps, heater blower, rear defogger.
6) Keep front wheels pointed straight ahead.
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SEF976U
3. Open engine hood and run engine at about 2,000 rpm for about 2 minutes under no-load.
SEF977U
4. Perform diagnostic test mode II (Self-diagnostic results). Refer to EC-644.
SEF217U
OK or NG
OK ' GO TO 2.
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2. GO TO 2.
BASIC SERVICE PROCEDURE VG33E
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EC-616
2 CHECK IGNITION TIMING
1. Run engine at about 2,000 rpm for about 2 minutes under no-load.
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SEF978U
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SEF975R
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SEF371S
15°±2° BTDC (in “P” or “N” position)
OK or NG
OK ' GO TO 4.
NG ' GO TO 3.
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
BASIC SERVICE PROCEDURE VG33E
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EC-617
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SEF972R
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With CONSULT-II
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PEF356V
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Without CONSULT-II
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OK ' GO TO 6.
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