Search engine trouble codes.
Example: P0120
P1988 Mercury Grand Marquis engine code seems a kind of powertrain problem, we try to show one by one the meaning and the solution.
Brief explanation of the P1988 Mercury Grand Marquis code and definition of P1988 Mercury Grand Marquis is the bottom side.
| p |
Powertrain Code Problem is related engine, transmission and emissions systems. |
| 1 | MFG - Manufacturer Specific |
| 9 | Fuel And Air Metering (Injector Circuit Malfunctions Only) |
| 8 | Exhaust Gas Recirculation System Valve 1 |
| 8 | PCM Stack Overrun |
MFG - Manufacturer Specific codes, which have a '1' as their second digit to indicate they are unique to a particular vehicle make or model. These special codes were deemed necessary by the vehicle manufacturers so they could provide additional diagnostic information beyond the basic list of generic OBD II codes for all kinds of faults, not just emissions-related faults.
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How To Fix P1988 Mercury Grand Marquis ?
Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above. |
The valves of each cylinder are kept closed using a pair of arms that replace the conventional engine's roller-type rocker arm. P1988 code one of these arms follows the cam profile while the second arm connects to the valves. During normal engine operation the two arms are joined by a locking pin. When you see P1988 Mercury Grand Marquis engine fault code on your engine code reader this description will help you.
| P Codes | List of all Powertrain codes. |
Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the P Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.
BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.
