Chevy 3500 Express truck. fuel problem?

P0200 Fuel Injector Circuit Malfunction Videos on youtube testing injector driver . How to test computer transistor driver without scan tool
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Dodge Ram 3500 Questions - I have an 05 ... - CarGurus

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CarGurusAug 28, 2012 - I'm getting a code P2149 fuel injector group B supply volt... ... I'm getting a code P2149 fuel injector group B supply voltage circuit/open. ... 2005 dodge ram 1500 won't move when in gear 38 answers.

Question on codes p0202 and p2149 - Chevy and GMC Duramax Diesel Forum

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Dec 5, 2009 - 6 posts - ‎4 authors
Hi got a 05 3500 running really ruff and throwing 2 codes p0202. ... Number #2 injector Drive fault, incorrect current on a fuel injector circuit (the ...

breaking down on freeway code p2149 - Chevy and GMC Duram

Hi Gary, The code is indicating a malfunction of the injector circuit, meaning it could be a crank or cam shaft pick up sensor malfunction, a knock sensor, or the ECU, cables or injector. Get me some additional info in relation to performance and other symptoms and we'll see what we can discover. Regards John

The P0141 means O2 Sensor Heater Circuit (Bank 1 Sensor 2)
The P0121 means Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem
The P0200 means Injector Circuit
The P0308 means Cylinder 8 Misfire Detected

Hope them can help you! Good luck!
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P0200 injector circuit, you may need an injector, or have an injector malfunction.
I (rec.) getting it to a mechanic and have it looked at. unless you know how to test it. and or replace it.

I had to give it gas sometimes for it to start ? Stepping on the gas pedal does not give it gas till it starts . Pushing on the accelerator pedal while cranking gives it more air , not fuel , untill it starts an is running . It has electronic fuel injection . Your vehicle is flooding out . running rich .

DTC P0200 Injector Control Circuit

Circuit Description
The powertrain control module (PCM) has four fuel injector driver circuits, each of which controls a fuel injector. The PCM monitors the current in each driver circuit and is able to control the driver circuit. The current through each driver can rise to a peak of 2 amps to quickly open the fuel injectors and can reduce to 1/2 amp to hold the fuel injectors open. This is called peak and hold. If the current cannot reach a 2 amp peak, a DTC is set. This DTC is also set if an fuel injector driver is shorted to voltage.

An injector driver circuit that is open or shorted to voltage will cause a DTC P0200 to set and will also cause a misfire due to an inoperative injector. The misfire DTC should also be set indicating a misfire.
Long Term and Short Term FT that are excessively high or low are a good indication that an injector is malfunctioning. Refer to Sequential Multiport Fuel Injector Balance Test to test for malfunctioning injectors.

Hi there,

I think the code you are referring to is P0200.

This code means your vehicle computer (PCM) has identified an issue within the Fuel Injector circuit.

Possible causes for P0200 code are:

• Open or shorted injector
• Injector low internal resistance (basically an injector that works, but is out of specs)
• Grounded driver circuit
• Open driver circuit
• Driver circuit shorted to voltage
• Wiring harness intermittently shorting against underhood components

Cheers,

Generic OBD II Diagnostic Trouble Codes

DTC CODES P0200 to P0299

P0200....Injector Circuit

P0201....Injector Circuit - Cylinder 1

P0202....Injector Circuit - Cylinder 2

P0203....Injector Circuit - Cylinder 3

P0204....Injector Circuit - Cylinder 4

P0205....Injector Circuit - Cylinder 5

P0206....Injector Circuit - Cylinder 6

P0207....Injector Circuit - Cylinder 7

P0208....Injector Circuit - Cylinder 8

P0209....Injector Circuit - Cylinder 9

P0210....Injector Circuit - Cylinder 1

P0211....Injector Circuit - Cylinder 11

P0212....Injector Circuit - Cylinder 12

P0213....Cold Start Injector 1

P0214....Cold Start Injector 2

P0215....Engine Shutoff Solenoid

P0216....Injector/Injection Timing Control Circuit

P0217....Engine Coolant Over Temperature Condition

P0218....Transmission Fluid Over Temperature Condition

P0219....Engine Over Speed Condition

P0220....Throttle/Pedal Position Sensor/Switch 'B' Circuit

P0157....O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)

P0158....O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)

P0159....O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)

P0160....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)

P0161....O2 Sensor Heater Circuit (Bank 2 Sensor 2)

P0162....O2 Sensor Circuit Malfunction (Bank 2 Sensor 3)

P0163....O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3)

P0164....O2 Sensor Circuit High Voltage (Bank 2 Sensor 3)

P0165....O2 Sensor Circuit Slow Response (Bank 2 Sensor 3)

P0166....O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)

P0167....O2 Sensor Heater Circuit (Bank 2 Sensor 3)

P0168....Fuel Temperature Too High

P0169....Incorrect Fuel Composition

P0170....Fuel Trim (Bank 1)

P0171....System too Lean (Bank 1)

P0172....System too Rich (Bank 1)

P0173....Fuel Trim Malfunction (Bank 2)

P0174....System too Lean (Bank 2)

P0175....System too Rich (Bank 2)

P0176....Fuel Composition Sensor Circuit

P0177....Fuel Composition Sensor Circuit Range/Performance

Well P0200 is a detected malfunction in one or more of your fuel injectors.
P0300 is multiple misfire detected.
I would guess that the P0200 code is causing the P0300 code so find out why you are having an injector issue.
Possible causes: check fuel and air filter, fuel pressure, coil performance, and injector performance. The coils and injectors need to be viewed through a scan-tool. Looking at live data and performing tests. Without it you can try to look at plugs and see if you can notice anything or use a devise that measures temperature. A cylinder that isn't firing will run cool. Good-luck.

douple ck all the ground wiresto engine,trans bell housing ,battery or frame/firewall look for any that may have separated from any pack of wires or broken off eyelets then thightnen all points,,.these grounds are very important to comp/injection controls and can cause a multi code problem like yours.