Expert Check Engine Light Diagnosis from ASE-certified technicians. 6-month / 6,000-mile warranty on every job.
Broadway Servicenter offers professional Check Engine Light Diagnosis for all makes and models in Garden City, NY.
Every repair is backed by our 6-month / 6,000-mile warranty. Honest estimates, no runaround.
We read all stored and pending fault codes, look at freeze frame data, and review all system readiness monitors - not just the code that triggered the light.
Live data from all sensors - O2 sensors, MAF, MAP, coolant temp, fuel trims - gives us a complete picture of how the engine is running, not just what tripped the code.
Catalyst efficiency codes (P0420/P0430), EVAP system codes, and EGR system faults diagnosed with the correct tools - not just cleared and sent home to see if they come back.
O2 sensor output is tested under real driving conditions or on a scope. A sensor that reads wrong can cause fuel economy loss, emissions test failure, and incorrect fault codes in other systems.
Fuel trim analysis, fuel pressure testing, and injector balance testing to identify lean or rich conditions, misfires caused by fuel delivery issues, and injector failures.
Evaporative emission system leaks require a smoke test to locate. We perform EVAP leak testing on all vehicles - not just visually inspect and guess.
The difference between reading a code and diagnosing a problem is significant. An auto parts store will read codes for free - but they are reading a code, not diagnosing the problem. A P0300 random misfire code, for example, could be caused by worn spark plugs, a failing ignition coil, a clogged fuel injector, a vacuum leak, low compression in a cylinder, or a faulty crankshaft position sensor. The code tells you the symptom. Diagnosis tells you the cause.
The solid vs. flashing distinction matters and most drivers do not know it. A solid check engine light is a stored fault - the system detected a problem at some point and flagged it. It may or may not be actively affecting how the car runs right now. A flashing check engine light means there is an active misfire happening at this moment, and the catalytic converter is being damaged in real time. Driving with a flashing light for even a few miles is the kind of decision that turns a $200 ignition coil job into a $1,500 catalytic converter replacement.
For NYS inspection purposes: a check engine light is an automatic failure. So is a recently cleared code with monitors that have not completed their drive cycle. If someone cleared your codes the day before an inspection and nothing was actually fixed, the monitors will still show Not Ready and you will fail. We see this regularly with cars that come in having failed inspection. The fix is to diagnose and repair the actual problem, then drive the car through its readiness cycle. Call (516) 681-0122 or book online and we will sort it out at 640 Old Country Road in Garden City.
Same-day service on most repairs. Honest estimates, no runaround. 6-month / 6,000-mile warranty.