KingTut
Active Member
- Joined
- Nov 9, 2011
- Messages
- 27
- Vehicle Year
- 1999
- Transmission
- Automatic
Heys guys, Ive got a 1999 Ranger 4x4 that is running rich at idle. I've searched on here and read various things that could possibly cause a rich mixture. So I took it to the shop to have the codes pulled which included the following: P0135, P1132, P0155, P1152, P1400, and P0141. Majority of the codes were due to bad O2 sensors so I had them replaced. However, two of the codes were related to the EGR valve. The shop also tested the fuel pressure which they claim was in "normal operating range".
Since having the O2 sensors replaced and the EGR valve, the truck still runs horrible at idle. The things that I have replaced include: new plugs and wires, new coil pack, new IAC, new MAF sensor, new coolant temp sensor, new fuel injectors, new PCV valve, and a new airfilter. After replacing all of mentioned items I'm still getting a P1132 code and a P1152 code which is the O2 sensor registering a rich condition.
To give an idea of how the truck is running, when I first start it up in the morning it runs fairly decent until the idle drops to normal operation. After that the truck stumbles and rocks and sounds like a misfire. Black exhaust is coming out the tail pipe but its not thick. However, it has a strong fuel smell. When I'm driving down the road everything feels fine the problem only occurs when I stop at say a stop sign or when I just let it idle in neutral.
What else could I try to solve this problem? I'm almost to my wits end with this truck. Thanks guys
Since having the O2 sensors replaced and the EGR valve, the truck still runs horrible at idle. The things that I have replaced include: new plugs and wires, new coil pack, new IAC, new MAF sensor, new coolant temp sensor, new fuel injectors, new PCV valve, and a new airfilter. After replacing all of mentioned items I'm still getting a P1132 code and a P1152 code which is the O2 sensor registering a rich condition.
To give an idea of how the truck is running, when I first start it up in the morning it runs fairly decent until the idle drops to normal operation. After that the truck stumbles and rocks and sounds like a misfire. Black exhaust is coming out the tail pipe but its not thick. However, it has a strong fuel smell. When I'm driving down the road everything feels fine the problem only occurs when I stop at say a stop sign or when I just let it idle in neutral.
What else could I try to solve this problem? I'm almost to my wits end with this truck. Thanks guys