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Forums Nissan Models Quest The Engine stop running after warm-up.
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  #1 (permalink)  
Old 04-22-2009, 09:07 AM
ChanStanley's Avatar
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Default The Engine stop running after warm-up.

I have 2000 Nissan Quest with V-6 Engine. The Motor running fine at
cold , When it start at fast Idle speed
without any problem . But , Once
the engine warm-up at operation
temperature , It stall and stop .
I was replace the New Timing belt
and tensioner , New EGR valve,
New Throttle Position Sensor , New
Mass Airflow ( MAF ) Sensor , New
Fuel and Air Filters , Major Tune-up ,
Etc., None of them to solving the
problem . Now , I suspect the MAF
may be malfucntion . Any one have
any idea to solving this problem?
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Old 04-22-2009, 03:13 PM
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Default

Check for any engine codes and let us know so we might better help you.
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Old 04-22-2009, 05:25 PM
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Default

sounds like the cam postion sensor in the distributor is failing...you might have to replace the distributor (usually happens after 100k miles)
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Old 05-06-2009, 09:36 AM
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Default

Thank very much for those whom reply my question .
I went to Nissan dealerships , The Technicians and Mechanics also advice me to replace the very expense Distributor . But , I belief is that if Camshaft Position Sensor is malfunction , The Engine not even running
at Open Loop stage , because the ECM if not receiving the signal from Cam sensor , then will automatically cut--off the Fuel Pump Relay , The Engine only to running at very short period , It will not operative until the Engine warm-up at Closed Loop stage . so , I took few days off from work to investigate the problem . and
I found when I disconnected the MAP / BARO sensor and started the Engine , few minutes later I sew the smoke coming out the vacuum port at the Intake Manifold . then I known the Catalytic Converter was partially clogged . I took off the First ( Front ) Oxygen sensor from Exhaust pipe , and the Engine running fine without any problem . I was so frustrated and wonder why everyone just forgot the basic method to connect the Vacuum gauge in Intake Manifold from beginning. Also , I was found this type Catalytic Converter always has similar problems . and my local Nissan Dealerships refuse to honor the warranty even the Federal government require mandatory Extension Emission Control Components Warranty . My advice any Nissan car if ten years older , Must inspect the Catalytic Converter .

If you doubt The Distributor output , AC pickup coil ,
Fuel Injector , Camshaft , Crank , MAP , MAF , Speed
and any other sensors that generated Electronic Pulses . You can use $20 Logic Probes or just use the Jumper
wire to connect the component signal wire ( Back Probe Method at connector ) and the Radio Antenna to detecting those device functions .
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