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Signs of fuel injector problems - Cars & Trucks

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2009 ranger 700 code 51. how do i fix it?


A code 51 is an injector code. It could be a broken wire at the injector (typically very hard to diagnose because they break right at the injector body)......but more than likely it is indicating a broken wire to the TPS. Check the TPS wires very closely for signs of cuts or bare spots. I'd rule out the TPS before moving onto the injector.

It could also indicate a weak fuel pump (unfortunately a very common problem). Check the fuel pressure. It should manitain 39 psi throughout the RPM tange.....including under a load and when hot, so be sure to test it with the machine thoroughly warmed up.

Mar 01, 2018 | Cars & Trucks

1 Answer

Getting fuel in oil no sign of oil in coolant


Could be a leaking fuel injector. This would cause the problem because every time you shut the engine off the residual fuel pressure would cause the injector to leak into its cylinder. This fuel will leak down past the piston rings into the crankcase.

Mar 05, 2014 | 2001 Chevrolet Cavalier

1 Answer

Fiat palio 1.2 16 valve does not rev up until you block the return fuel line. the fuel pump has been replaced because it was showing signs of fuel starvation. the fuel regulator was also checked and is...


Did you clean your injectors lately this sounds lick a pressure problem and injectors will not function unless they get the proper pressure or due to your former problem you may need to have a sensor reprogramed

Aug 16, 2013 | Fiat 500 Cars & Trucks

1 Answer

Signs of bad fuel injecter


Have you put a NOIDS light on the Injector?

If you are experiencing a performance issue, then try using SEA FOAM in your FUEL TANK and allow the system to get clean...

What makes you think you have signs of Bad Fuel injectors ?

Apr 09, 2013 | Cars & Trucks

1 Answer

1 fuel injector not working


It is either a wiring problem to the injector or the injector drive circuit in the PCM module. It is more likely wiring.

Aug 17, 2017 | 1985 Chevrolet El Camino

1 Answer

1 fuel injector not working


replace the ecm as the circuit in the ecm is not operating

Aug 13, 2017 | 1985 Chevrolet El Camino

2 Answers

My golf 1.9 tdi is miss-firing


Check the fuel lines, fuel filter, what is the mileage? If it is high than it might a sign of injector pump or injectors.

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3 Answers

When I start my vehicle it doesn't start right away until I push really hard on the gas... is that a sign of a starter going out?


hi, no this is not the problem, what you have here is a fuel deficiency or the wrong fuel to air mix and or injector problem, or even a maf sensor fault..but if the engine turns ok when you turn the ke4y, the starter is fine...hope that helps

Mar 25, 2010 | 1991 Lexus LS 400

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