ENGINE POOR MILEAGE

I Have Been Experiencing Issues With My Car Running Lean. When I Bought The Car, It Had A Misfire. So, I Replaced Spark Plugs...

3 Nozzles Are Working But The Other 3 Nozzles Aren't Working Even Changing The Nozzles But Still Aren't Working.

I'm Stuck On If I'm Getting Bad Gas Mileage. Google Says 17/25, I'm Getting 18 All Day Every Day. I've Done A Tune Up, But...

It Rough Idles From 1k To Like 400 And It Has Accelerating Issue. When I Press The Gas Revs Go Up But Not The Speed. There Is Just A Random...

Good Evening, All. Yesterday, A Client Told Me To Fix His Excessive Fuel Consumption In The Car Listed Above. The Engine Was Idling Okay...

I Have Replaced Everything From The Pvc Valve, O2 Sensors, Spark Plugs And Boots, Fuel Pump, Throttle Body And Sensor And I Am Still...

The Fuel Consumption Of My Car Has Been High In Recent Time And I Have Changed The Airflow Meter As Advised By My Mechanic But Problem...

I’m Experiencing Very Bad Fuel Consumption For My Vehicle. I Tried Many Mechanics But None Of Them Could Solve The Issue. Changed Fuel...

Okay, I Know It's An Old Econobox Car. The Engine Is In Basically Pristine Condition. Doesn't Use Any Oil, Even At 5k-ish Miles...

2003 Ford E350 Super Duty Stripped Chassis Van, 5.4l Reg Fuel, No Burn Or Leaks. Plugs Have ~15,000 Miles And New Coil Packs About 5...