Questions & Answers for: trouble shooting fuel system problems

...goes and is fine above 2000 rpm sounds like a fuel or maf problem . check clarksgarage.com for fuel trouble shooting if all checks out ok check your o2 sensor and the rest of the mass air flow ...

000 miles.  I good solid tune-up with spark plugs and wires my solve your problem. However, your fuel injection system my be to blame as well. Have a qualified mechanic trouble shoot your problem

...TROUBLE SHOOTING CODE PO456 I would check the fuel cap first. If it is missing or not sealing good. This is more likely the problem. Other problems could be a leaking fuel tank, leaking evap canister ...

...trouble shooting videos ,how to test fuel systems an ignition system testing . Find which system is causing trouble , then go to www.bbbind.com for free wiring diagrams . Then trouble shoot the ...

...trouble shooting help for fuel vapor canister system. This is a common problem when filling up especially with the smaller nozzles on modern pumps. You could try pulling the pump out slightly say a ...

...Rich DTC P1174: Air Fuel Imbalance Bank 1 Your best bet is to take it to a ASE certified repair shop or dealer < It's going to take special diagnostic tools to trouble shoot an fix this problem

...fuel system, check the fuse and wiring, check for trouble codes, check injectors, etc links below may help trouble shoot, press the helpful button ...

...is missing right after it dies ! Spark or fuel . Then test the ignition system or fuel system electrical circuits to find the problem . There are a lot of good videos on youtube for trouble shooting

.... So they corrode through an short out . This is called electronic return less fuel system , suggest you watch this trouble shooting video ! Ford Electronic Returnless Fuel System Diagnosis Part ...

...trouble shoot and varify defective system parts before replacing, you know. Is there spark, vacuum, fuel injector signal? Temperature related, varify temperature sensors ohms at current temperature, ...