Questions tagged [fuel-injectors]

A device that meters the proper amount of fuel into an engine cylinder. It is controller by the engine control computer.

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1answer
229 views

Do I have a fuel pressure or injector problem, or am I just chasing ghosts?

I just did a fuel volume test on my 98 Mazda 626 2L GF. According Tim Giles book Automotive Service: Each injector is energized for 15 seconds... Variations of more than 5 ml calls for replacement ...
2
votes
2answers
845 views

Difference between fuel injectors and emissions standards

I have a 2004 Honda Accord EX Sedan with a 2.4L I-4 with California emissions and 250k miles on it. I desperately need to replace my fuel injectors but the price is steep! Can someone explain to me ...
4
votes
1answer
971 views

Do injectors leak or injector seals leak?

Car: Audi S5 2008 I have a problem in my car where sometimes my car will be hard to start after driven for a while. Normally if I floor it close to where I stop the car, it's harder to start. When I ...
6
votes
2answers
4k views

Fault code 27 with engine light on '94 Jeep Cherokee

I own a '94 jeep cherokee 4.0 liter. The 27 code indicates the injector circuit is not syncing with the input signal. How do I trouble shoot this?
6
votes
2answers
1k views

How does a cobra alarm system disable starting

I have a 1998 Mazda 626 with a cobra Auto security system. I suspect some problems I have been having are related to this system and was wondering exactly how it disables starting. Specifically one ...
2
votes
1answer
94 views

How Long to Power the Injectors for a Fuel Pump Volume Test?

I want to do a fuel pump volume test on my 98 Mazda 62 2L GF, but the WSM doesn't say how long to energize the injectors: I'll probably activate the injector by back probing the injector ground wire ...
0
votes
1answer
45 views

Where is the injector circuit on a 2007 Toyota Yaris?

I have the PO201 error code which appears randomly every 30Km to 50 Km. The issue sounds possible as the car ran 2000Km with a damaged spark in cylinder 1 before repair. However, they are no circuits ...
0
votes
1answer
520 views

Calculating fuel flow rate through obd || sensor not supporting 015E and 0110 commands

I have been working on a project where i want to calulate fuel flow rate using data from the obd2 sensor. The car on which i was testing didn't support the pid 015E which is for fuel flow rate. Then i ...