20 Most Recent 1999 Ford Ranger SuperCab - Page 8 Questions & Answers

pump might be going out

check front brake pads or calipers. sometime time the rotor get a rusty spot and pads rub on this spot and a scraping is heard.

Not a good way to check your alternator for working. Today's electronics do not like those voltage spikes, deadly for them. That's why manufacturers always say make sure ignition is off before removing the negative battery post.It sounds like your alternator needs testing.

The problem of rough running of vehicle may also arise due to following reason other than you mentioned and they are listed below: 1. Bad gasoline condition 2. Clogged Air Filter 3. Poor fuel filter 4. Discharged battery 5. Low oil in reservoir Check for the components and solve the issues. Cleaning or replacing the air filter and fuel filter can solve the issue. Charge the battery if it is discharged or replace it with new one if in bad condition. Refill the oil reservoir.

Check and see if the EGR valve is leaking, to check this spray water on it at idle, if the water steams off the valve is leaking and is the source of your problem, also are you sure you hooked the new DPFE sensor up right? re-check it..

Is the check engine light on ?

well, if your air bag light is flashing then your system is already disabled. You have no worries about it deploying on you or anything, it just means that there is a problem that needs to be resolved before the system will activate again and work. Just like a check engine light, the air bag computer will have a stored code that can be read with a code reader, not like the ones you can use at a parts store though. You need to have your codes read and that will tell you where the problem is.

Could be the speedometer or the speed sensor in the transmission.If the speed sensor fails the check engine light should come on.

I too had this porblem. I[m guessing you changed your battery out. Your car alarm system need 100% power. That small interruption is the cuase of your problems. Look up on your alarm system how to reset the module.

take heater hose off then try and blowing the heater core out with a blow gun.or c if there is a bleeder valve on motor some were it has air in it. usaually by thermastat housing