Search Results for ‘misfire’

I’ve recently had a misfire only on warm start never cold start and I’ve been trying to figure out the problem. I decided to do a fuel psi test today and it confirmed my suspicions. On the warm engine I put the key on engine off and the gauge read about 7 psi this would Definitely seem like the...

Hello I've recently just started getting this issue where on only warm start (not every warm start) my 2010 9-3 ss will have a misfire just a random misfire most the time its not enough to trip a CEL the rpms will struggle at like 700 but if its a bad misfire which happens rare on a warm start...

Hey guys, Looking for help diagnosing a misfiring / rough idling issue accompanied by the p1303 engine code. The car rough idles constantly and when my car is under harder acceleration it misfires. Checked my fuel pump which turned out to be good. New DIC and OEM spark plugs. Next thought was...

I’ve recently been having problems where sometimes when I start up it has misfires some worse than others sometimes to the point where its at like 500 rpms, I did plugs 8K miles ago and coils are OEM and new today I had another symptom where on WOT it sometimes totally cuts boost for a sec and...

I have the 2.8t, a while ago I noticed that when I let the turbo spool up and then accelerate hard it would pop rapidly for a second usually in third gear. I installed 6 new denso 5345 spark plugs shortly after and then it disappeared and accelerated normally without any gunfire. I also put a...

i recently purchased a 2000 saab 9-5 and on the drive home it would randomly misfire and then occasionally quiet down again. I originally thought it was bad gas because the car had been sitting for 2 years but after a fresh tank it still has this problem. I checked the spark plugs and they look...

Okay I need someone’s help. Since I purchased the car a year ago, I’ve already replaced all ignition coils and sparkplugs AND fixed the p0089 code with a brand new high HP fuel pump…and I seem to still get random misfires. Some days my car is running strong and pulls me against my seat and other...

Hey there, so I recently replaced my coils and spark plugs and now the car won’t start. Coil 4 melted to the connector so I rewired a new connector and connected it to the new coil. The car won’t turn over. I also lifted my battery tray out and cleaned my ground points as well as put in an...

Engine is currently misfiring on cyl 4 I changed ALL spark plugs 5k miles ago all NGK. (165xxx) Currently only got a new Ignition coil (bosch) and new spark plug (NGK) to replace on that cylinder still continues to misfire with engine code P0304. The symptoms is showing is only at low idle once...

The car in question is an '06 9-3 Aero with roughly 128,000 miles on it. A few months ago, I drove it for a good part of a day and it drove perfectly fine. Then, the next day I started it and after about 30 seconds of running normal idle, it started misfiring, the engine light came on, and...

I have a 2008 Saab 9-3 with the 4 cyl 2.0t. I really need new coil packs and I tried to google it but results are very unclear and all over the place. Does anyone use coils from a different brand/model? Or have a link to the ones I should use? I appreciate any help, thank you

I have an 03 9-3 Linear and been trying to fix the dreaded p0300 code. The only other code to pop up for a little was a P0411, but for right now it's gone and I don't care for it. As for the misfires, I replaced my plugs with some NGK Iridium IX's all gapped at .037 inches and also 4 coil packs...

i have a couple of questions for y'all Saab owners i recently bought a 2001 Saab 95 SE wagon v6 turbo it needed a turbo so i bought one and put it on it and its been driving fine until a couple of days ago, i got in it and started it ran just fine until i gave it throttle boost Gage went up and...

Car has 53,000 miles. It’s been throwing me p0300 codes...i’ve changed the spark plugs to ngks(old ones looked good) and tried unplugging each coil pack one by one(while car was running) and each time the rpms dropped. Not really sure what else is next. Car feels like it runs fine, so i’m not...

We've taken our 2001 saab 9-5 SE 3.0T (lol) V6 on a seattle-to-LA road trip every year for a few years (2) perfectly fine. The third year, the car made it about 6-8 hours into oregon, started misfiring, and died shortly after. To make the story short, we rented a car to get to LA and I picked up...

I was driving my 2007 9-3 2.0t convertible on the interstate the other day, suddenly the car started running very rough and the check engine light started flashing. I pulled over, (didn't shut the engine) opened the hood for a quick visual. Minute later the flashing and check engine light...

Hey I have an issue with a misfire giving a rough cold engine idle, once warm there is just an ever so slight rumble in the back of the seat , the engine finally threw up a code, ( once in the whole time) of cylinder 4 misfire. I have change engine temp sensor, lamba sensor, coil pack, cleaned...

Hi guys I was wondering if any of you had any ideas about this problem I have. Basically I recently got me an OG 9-3 which came with a black DI cassette. I know this is a tronic 5 engine (oil cap in centre) and I wanted to use the correct cassette so I bought a red one from ebay which the seller...

Cylinder(s) misfires upon starting the car and stays that way under all rpm in neutral or under load. Leave the car out for a day or two and the problem is gone. I start the car again and it runs perfectly. I turn the car off for a few hours and go to start it... the cycle repeats. What's wrong...

I have an 06 9-3. I have had a misfire I can't figure out. When I reset car by touching POS and NEG together every thing starts off great. After a a few miles the check engine light comes on and it misfires like crazy at increasing rpm. Light is crankshaft position sensor. Actually it says...