Long Crank on a 1998 — Diagnosing FPR & Vacuum Lines

Fuel Pressure Regulator

shegarty writes  »  I’ve been chasing a hard start at temperatures below -15ºC on my 98 S70 for a couple of years now. I believe that I have narrowed it down to a fuel pressure issue as I have replaced most of the electrical components (cam & crank sensors, plugs and wires etc.). As I […]

V70R Fuel & Emissions Pipe Routing

MVS Volvo Forums member scot850 (Neil) drops a very nice documentation of 2000 V70R fuel/emissions pipe routing. As I have taken a whole load of photos, and can take more in needed, I will do this in stages, and feel free to chip in and ask for clarification. Firstly, I will start with the fuel […]

Fuel Pressure Line Replacement

Diy Fpr Vacuum Line Replacement -

MVS Contributor jreed hits it out of the park with a DIY on an overlooked vacuum hose: “I was out looking around in the engine compartment (97 855 GLT with ~162k miles) for opportunities to fix something this morning. I’ve already replaced most of the vacuum lines in the car, but I found a short crumbly vacuum connector that I had overlooked the last few times I checked the car. This connector is located above the transmission, near the lower radiator hose. It is part of the Fuel Pressure Regulator line from the intake tube near the MAF Sensor and connects between a white hard plastic line and a metal line that runs over to the fuel pressure regulator on the passengers’ side.”

Fast Friday #6 — Injectors, MAFs, and Power pt. II

Fast Friday Volvo Performance and Tuning

As performance levels rise so too do the necessary supporting components of the engine to reach the power goals you might have. Most fuel system upgrades are pretty straight forward and only consist of a fuel components I.E. Fuel pump, Injectors, and fuel pressure regulator. For the most part the Walbro series of fuel pumps are a popular cost effective option when it comes to replacing the factory pump.

Fuel Pressure Regulator

Fuel Pressure Regulator Symptoms In addition to tackling codes this weekend, I recently noticed the smell gas inside and outside my 850. I popped the hood and noticed a slow leak from the fuel pressure regulator. I disconnected the vacuum line, which NOW, I know was a big mistake because after reading the Chilton’s manual, […]

Due for PCV Job

Tips on doing the PVC on your 850, S70 or V70 “I have not removed the injectors on any of them. The only thing that is tricky is getting the fuel return line off since the hose is a little short. I loosen the upper clamp – it is easier to get to the upper […]