Question about 1988 Mazda B2200

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Starts good, idles good but bogs down when accelerating.

I've changed the fuel pump, sending unit, fuel line, mass flow air sensor, plugs, wires, cap, rotor button, TPS, intake temperature sensor, coil. I'm at a loss with this truck of mine. I have a fuel guage in the supply line and the pressure is always above 40psi. It bogs down as if it has a shortage of fuel. if you accelerate slowly, it will get to about 50mph max. I hope you can help me.

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  • yadayada
    yadayada May 11, 2010

    About time to see the dealer, stop throwing parts at it.

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Its the caburtor, it blocks the fuel from the pump and it also bogs out, factory fault you need to replace the caburator and bypass all the smog stuff, just install the o2 sensor into the air intak hose thats what i did

Posted on Feb 11, 2009

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Posted on Jan 02, 2017

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03 Nissan Altima showing codes P0304,P0102,P0154,P0113 what are they and how do i repair the problems.


Hi Chris.

p0304 = Number 4 Cylinder Misfire Detected

Faulty spark plug 4
Clogged or faulty fuel injector 4
Faulty ignition coil 4
Fuel injector 4 harness is open or shorted
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The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 4.


p0102 = Mass or Volume Air Flow Circuit Low Input

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Dirty mass air flow sensor
Dirty mass air filter
Mass air flow sensor harness is open or shorted
Mass air flow sensor circuit poor electrical connection

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner.
Reset code and drive vehicle.
If the code comes back, it may be necessary to replaced the mass air flow sensor.


p0154 = O2 Sensor Circuit No Activity Detected Sensor 1 Bank 2

Faulty Front Heated Oxygen Sensor Bank 2
Front Heated Oxygen Sensor Bank 2 harness is open or shorted
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Inappropriate fuel pressure
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Replacing the Front Heated Oxygen Sensor Bank 2 usually takes care of the problem.


p0113 = Intake Air Temperature Sensor Circuit High

Faulty Intake Air Temperature (IAT) sensor
Dirty air filter
Intake Air Temperature (IAT) sensor harness is open or shorted
Intake Air Temperature (IAT) sensor circuit poor electrical connection

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.



Hope this helps
FYT

http://www.autocodes.com/make/nissan

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3 Answers

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Check the following:
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I'LL TRY, GOOD TO SEE SOMEONE TRY AT LEAST ! IDLE SEEMS HIGH, BACK TO BASICS !!!!!! THE AIR & FUEL FILTERS NEED REPLACED, SPARK PLUG WIRES, YOU FORGOT THEM !!! DISTRIBUTOR CAP & ROTOR, YOU FORGOT THEM !!! THESE ARE AS IMPORTANT AS THE AIR WE BREATHE !!!!! VACUUM LEAKS, CHECK ALL VACUMM LINES, THOROUGHLY ! THIS LINE COMING OUT OF THE TRANSAXLE PORTION OF THE INTAKE MANIFOLD ?????????????????/ YOUR NEED TO REPLACE WHATEVER IT IS, WHAT KIND OF LINE ? METAL, RUBBER , WIRE ??? MOVING ON, GOOD YOU REPLACED THE OXYGEN SENSOR, & IDLE AIR VALVE, & TPS, RECHECK TPS, IS IT LOOSE, ALSO TIGHTEN THROTTLEBODY BOLTS, THE ONES THAT HOLD IT DOWN. SO, CHANGE YOUR FILTERS,WIRES, ETC., MENTIONED ABOVE, CAP & ROTOR, ETC.,ETC.,.........GO FROM THERE, SEE HOW THAT WORKS

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Hello,
your problem appears to be the idle control motor located on the air intake manifold it is a small motor that goes bad quite often. Other items that can cause this is a bad /clogged air filter or a tune up (spark plugs and wires), or clogged fuel injectors. to clean the injectors you can buy a container of fuel system cleaner and pour it into the gas tank and as you drive it cleans the system.

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Good Luck !
Rich Lilja

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