MercuryZephyr1979Overview/mercury/zephyr/1979/base/

1979 Mercury Zephyr

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1979 Zephyr.

The 1979 Mercury Zephyr carries a slim reliability record, with owner data logging just one total complaint and the fuel system, gasoline category standing as the top reported concern. Records also show four recalls for the model, indicating that factory-acknowledged issues outpaced direct consumer grievances. That imbalance places the 1979 Zephyr in a quiet corner of the model’s reliability history, meaning any assessment of its dependability must weigh official recall actions more heavily than the narrow base of owner-reported problems.

Model year198319821981198019791978

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

Owner complaints about the 1979 Mercury Zephyr dominate in one area — the fuel system, gasoline, 1 of 1 reports (100%), well ahead of the next concern. That matters, because the fuel system, gasoline are also the target of recall 07E-064 on this vehicle — so the single most useful check before buying or servicing one is confirming it was actually performed. 0 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the fuel system, gasoline pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.

4
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
1
Owner complaints
0 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★
Side★★★★★
Rollover★★★★

Owner complaints filed with NHTSA, by component

All 1 complaints on record, top 1 components.

Fuel System, Gasoline1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 4 campaigns on record for this vehicle.

07E064000Fuel System, Gasoline:Delivery:Fuel PumpReported 27/08/2007

CERTAIN FEDERAL-MOGUL AFTERMARKET FUEL PUMPS SOLD UNDER THE BRAND NAMES OF CARTER, ACCUFLOW, NAPA, TRUFLOW, PARTS DEPO, AND PARTS MASTER, SHIPPED BETWEEN AUGUST 2006 AND JULY 2007 FOR USE ON THE VEHICLES LISTED ABOVE… Remedy: FEDERAL-MOGUL WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE FUEL PUMPS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 15, 2007. OWNERS CAN CONTACT FEDERAL-MOGUL AT 248-354-7700.

79V272000Visibility:WindshieldReported 27/12/1979

WINDSHIELDS MAY HAVE BEEN INSTALLED ON THESE VEHICLES WITHOUT THE APPLICATION OF A BUTYL PRIMER ON THE MOUNTING SURFACE OF THE GLAZING. THE PRIMER IS REQUIRED TO ENSURE ADEQUATE RETENTION OF THE WINDSHIELD TO ITS… Remedy: DEALER WILL REINSTALL THE WINDSHIELD CORRECTLY WITHOUT CHARGE TO OWNER.

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Zephyr. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 1979 Zephyr have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.