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I have a 96 gt it keeps throwing the code p0443. crusing it does good or when you slowly accelerate it does good but soon as I stomp the gas It starts missing like crazy. ive replaced sensors injectors fuel pump even changed the computer. Nothin ive done as helped.what could be the problem?

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Posted on Jun 12, 2009

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I have a truck that popped up a P0443 code up and I've been trying to see what it is so I can get it fixed thank yo


P0443 - Evaporative Emission Control System Purge Control Valve Circuit Malfunction

Possible causes: - Faulty Evaporative Emission (EVAP) Purge Solenoid Control
- Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted
- Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection

When is the code detected? An improper voltage signal is sent to Engine Control Module (ECM) through the valve.
Possible symptoms: - Engine Light ON (or Service Engine Soon Warning Light)
P0443 Description: The Evaporative Emission System (EVAP) canister purge volume control solenoid valve uses a ON/OFF duty to control the flow rate of fuel vapor from the EVAP canister. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the Engine Control Module (ECM). The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve.

P0443 Information for specific makes: P0443 ACURA
P0443 CHRYSLER
P0443 DODGE
P0443 FORD
P0443 HONDA
P0443 INFINITI
P0443 ISUZU
P0443 JEEP
P0443 KIA
P0443 LAND-ROVER
P0443 LEXUS
P0443 MAZDA
P0443 MERCEDES-BENZ
P0443 MITSUBISHI
P0443 NISSAN
P0443 TOYOTA
P0443 Evaporative Emission Control System Purge Control Valve Circuit...

Jun 03, 2015 | Cars & Trucks

1 Answer

Acceleration problems


Intermittent or Constant problem (Worse cold or Hot ??)
Check engine lamp (MIL) illuminated ??
1 Scanned..........Codes present ??
2 Add test equipment,test fuel PSI & volume...

Feb 06, 2014 | GMC Sierra Cars & Trucks

1 Answer

Im getting a code p0443 on my 2001 cadillac deville and it keeps saying check the gas cap. I had a smoke test done and there is no leak but out the back by the canister there's a vent and the smo


when the car is off it has to vent so you can you can fill the tank a scanner can be used to close the vent valve but for a po443 i would say it is the
purge valve or wireing
with the key on 12 volts must come to the pink wire the solinoid should be about 20 ohms andcheck the comtinuity of green/white wire pin 42 on the ecm

Jan 26, 2012 | Cadillac DeVille Cars & Trucks

1 Answer

Just bought a 85 gt when i stomp on the gas it bogs down any ideas ?


My guess you have a carburetor on it. The accelerator pump may not be working, Therefore when you open the butterflys you are adding air, but without the extra fuel to go with it,

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1 Answer

1988 cutlass ciera boggs down when i accelerate


Hello! You have symptoms that point to incorrect fuel pressure.
First have the fuel pressure tested as follows; #1...engine running at idle: 13- 20 psi. #2...key on engine off: 23-30 psi. If pressure is incorrect change the fuel pump.

Does the engine "surge" at idle? If so, check the "fuel injection pressure regulator idle air control valve". Apply a vacuum to it; If fuel flows it is not the problem.


Guru.............saailer


Dec 13, 2009 | 1988 Oldsmobile Cutlass Ciera

1 Answer

96 honda civic sputtering now is not accelerating at all


Your timming belt has jumped a tooth.Remove the covers and check that all teeth are ok.Then tighten or change the timming belt.I would fit a new timming belt.Has it is costly when they fail.Good luck.pippall.

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1 Answer

96 cavalier wont accelerate


You have may have one of the following issues, low fuel press due to a pump or plugged filter, a plugged exhaust system, mainly the cat converter, a defective MAF sensor. Do you have any trouble codes

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